Home / 576,921.90-865,557.63-408,767.52

Finding the Fourth Proportional to 576,921.90, 865,557.63 and 408,767.52

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Solution

The fourth proportional to 576,921.90, 865,557.63 and 408,767.52 is: 613,275.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,921.90 : 865,557.63 = 408,767.52 : x
  2. Step 2: Convert to fraction form
    576,921.90/865,557.63 = 408,767.52/x
  3. Step 3: Cross multiply
    576,921.90x = 865,557.63 × 408,767.52
  4. Step 4: Simplify right side
    576,921.90x = 353,811,845,832.18
  5. Step 5: Solve for x
    x = 353,811,845,832.18/576,921.90
  6. Step 6: Final answer
    x = 613,275.12

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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.