Home / 530,150.49-732,049.13-491,686.02

Finding the Fourth Proportional to 530,150.49, 732,049.13 and 491,686.02

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Solution

The fourth proportional to 530,150.49, 732,049.13 and 491,686.02 is: 678,936.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,150.49 : 732,049.13 = 491,686.02 : x
  2. Step 2: Convert to fraction form
    530,150.49/732,049.13 = 491,686.02/x
  3. Step 3: Cross multiply
    530,150.49x = 732,049.13 × 491,686.02
  4. Step 4: Simplify right side
    530,150.49x = 359,938,320,715.73
  5. Step 5: Solve for x
    x = 359,938,320,715.73/530,150.49
  6. Step 6: Final answer
    x = 678,936.13

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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.