Home / 739,410.23-1,020,433.37-417,002.69

Finding the Fourth Proportional to 739,410.23, 1,020,433.37 and 417,002.69

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Solution

The fourth proportional to 739,410.23, 1,020,433.37 and 417,002.69 is: 575,490.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,410.23 : 1,020,433.37 = 417,002.69 : x
  2. Step 2: Convert to fraction form
    739,410.23/1,020,433.37 = 417,002.69/x
  3. Step 3: Cross multiply
    739,410.23x = 1,020,433.37 × 417,002.69
  4. Step 4: Simplify right side
    739,410.23x = 425,523,460,255.77
  5. Step 5: Solve for x
    x = 425,523,460,255.77/739,410.23
  6. Step 6: Final answer
    x = 575,490.36

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.