Home / 657,828.57-907,829.52-371,358.57

Finding the Fourth Proportional to 657,828.57, 907,829.52 and 371,358.57

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Solution

The fourth proportional to 657,828.57, 907,829.52 and 371,358.57 is: 512,489.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,828.57 : 907,829.52 = 371,358.57 : x
  2. Step 2: Convert to fraction form
    657,828.57/907,829.52 = 371,358.57/x
  3. Step 3: Cross multiply
    657,828.57x = 907,829.52 × 371,358.57
  4. Step 4: Simplify right side
    657,828.57x = 337,130,272,350.99
  5. Step 5: Solve for x
    x = 337,130,272,350.99/657,828.57
  6. Step 6: Final answer
    x = 512,489.56

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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.