Home / 739,551.82-1,020,493.74-417,243.10

Finding the Fourth Proportional to 739,551.82, 1,020,493.74 and 417,243.10

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Solution

The fourth proportional to 739,551.82, 1,020,493.74 and 417,243.10 is: 575,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,551.82 : 1,020,493.74 = 417,243.10 : x
  2. Step 2: Convert to fraction form
    739,551.82/1,020,493.74 = 417,243.10/x
  3. Step 3: Cross multiply
    739,551.82x = 1,020,493.74 × 417,243.10
  4. Step 4: Simplify right side
    739,551.82x = 425,793,971,608.19
  5. Step 5: Solve for x
    x = 425,793,971,608.19/739,551.82
  6. Step 6: Final answer
    x = 575,745.96

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Double scale
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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.