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Finding the Fourth Proportional to 429,552.78, 592,847.47 and 309,092.82

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Solution

The fourth proportional to 429,552.78, 592,847.47 and 309,092.82 is: 426,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,552.78 : 592,847.47 = 309,092.82 : x
  2. Step 2: Convert to fraction form
    429,552.78/592,847.47 = 309,092.82/x
  3. Step 3: Cross multiply
    429,552.78x = 592,847.47 × 309,092.82
  4. Step 4: Simplify right side
    429,552.78x = 183,244,896,332.17
  5. Step 5: Solve for x
    x = 183,244,896,332.17/429,552.78
  6. Step 6: Final answer
    x = 426,594.60

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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.