Home / 867,029.90-1,300,544.85-493,781.90

Finding the Fourth Proportional to 867,029.90, 1,300,544.85 and 493,781.90

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Solution

The fourth proportional to 867,029.90, 1,300,544.85 and 493,781.90 is: 740,672.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,029.90 : 1,300,544.85 = 493,781.90 : x
  2. Step 2: Convert to fraction form
    867,029.90/1,300,544.85 = 493,781.90/x
  3. Step 3: Cross multiply
    867,029.90x = 1,300,544.85 × 493,781.90
  4. Step 4: Simplify right side
    867,029.90x = 642,185,507,068.22
  5. Step 5: Solve for x
    x = 642,185,507,068.22/867,029.90
  6. Step 6: Final answer
    x = 740,672.85

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.