Home / 578,935.52-868,420.29-494,161.12

Finding the Fourth Proportional to 578,935.52, 868,420.29 and 494,161.12

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Solution

The fourth proportional to 578,935.52, 868,420.29 and 494,161.12 is: 741,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,935.52 : 868,420.29 = 494,161.12 : x
  2. Step 2: Convert to fraction form
    578,935.52/868,420.29 = 494,161.12/x
  3. Step 3: Cross multiply
    578,935.52x = 868,420.29 × 494,161.12
  4. Step 4: Simplify right side
    578,935.52x = 429,139,543,137.13
  5. Step 5: Solve for x
    x = 429,139,543,137.13/578,935.52
  6. Step 6: Final answer
    x = 741,256.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.