Home / 657,307.04-907,084.32-355,501.04

Finding the Fourth Proportional to 657,307.04, 907,084.32 and 355,501.04

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Solution

The fourth proportional to 657,307.04, 907,084.32 and 355,501.04 is: 490,591.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,307.04 : 907,084.32 = 355,501.04 : x
  2. Step 2: Convert to fraction form
    657,307.04/907,084.32 = 355,501.04/x
  3. Step 3: Cross multiply
    657,307.04x = 907,084.32 × 355,501.04
  4. Step 4: Simplify right side
    657,307.04x = 322,469,419,127.69
  5. Step 5: Solve for x
    x = 322,469,419,127.69/657,307.04
  6. Step 6: Final answer
    x = 490,591.76

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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.