Home / 771,208.80-1,156,294.80-411,439.20

Finding the Fourth Proportional to 771,208.80, 1,156,294.80 and 411,439.20

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Solution

The fourth proportional to 771,208.80, 1,156,294.80 and 411,439.20 is: 616,882.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,208.80 : 1,156,294.80 = 411,439.20 : x
  2. Step 2: Convert to fraction form
    771,208.80/1,156,294.80 = 411,439.20/x
  3. Step 3: Cross multiply
    771,208.80x = 1,156,294.80 × 411,439.20
  4. Step 4: Simplify right side
    771,208.80x = 475,745,007,476.16
  5. Step 5: Solve for x
    x = 475,745,007,476.16/771,208.80
  6. Step 6: Final answer
    x = 616,882.23

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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.