Home / 657,494.13-907,341.90-355,688.13

Finding the Fourth Proportional to 657,494.13, 907,341.90 and 355,688.13

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Solution

The fourth proportional to 657,494.13, 907,341.90 and 355,688.13 is: 490,849.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,494.13 : 907,341.90 = 355,688.13 : x
  2. Step 2: Convert to fraction form
    657,494.13/907,341.90 = 355,688.13/x
  3. Step 3: Cross multiply
    657,494.13x = 907,341.90 × 355,688.13
  4. Step 4: Simplify right side
    657,494.13x = 322,730,743,681.65
  5. Step 5: Solve for x
    x = 322,730,743,681.65/657,494.13
  6. Step 6: Final answer
    x = 490,849.62

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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.