Home / 907,459.20-1,252,153.49-525,412.17

Finding the Fourth Proportional to 907,459.20, 1,252,153.49 and 525,412.17

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Solution

The fourth proportional to 907,459.20, 1,252,153.49 and 525,412.17 is: 724,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,459.20 : 1,252,153.49 = 525,412.17 : x
  2. Step 2: Convert to fraction form
    907,459.20/1,252,153.49 = 525,412.17/x
  3. Step 3: Cross multiply
    907,459.20x = 1,252,153.49 × 525,412.17
  4. Step 4: Simplify right side
    907,459.20x = 657,896,679,726.91
  5. Step 5: Solve for x
    x = 657,896,679,726.91/907,459.20
  6. Step 6: Final answer
    x = 724,987.61

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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.