Home / 938,273.07-1,294,809.54-508,542.15

Finding the Fourth Proportional to 938,273.07, 1,294,809.54 and 508,542.15

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Solution

The fourth proportional to 938,273.07, 1,294,809.54 and 508,542.15 is: 701,784.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,273.07 : 1,294,809.54 = 508,542.15 : x
  2. Step 2: Convert to fraction form
    938,273.07/1,294,809.54 = 508,542.15/x
  3. Step 3: Cross multiply
    938,273.07x = 1,294,809.54 × 508,542.15
  4. Step 4: Simplify right side
    938,273.07x = 658,465,227,312.11
  5. Step 5: Solve for x
    x = 658,465,227,312.11/938,273.07
  6. Step 6: Final answer
    x = 701,784.21

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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.