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Finding the Fourth Proportional to 566,068.52, 781,179.63 and 307,951.09

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Solution

The fourth proportional to 566,068.52, 781,179.63 and 307,951.09 is: 424,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,068.52 : 781,179.63 = 307,951.09 : x
  2. Step 2: Convert to fraction form
    566,068.52/781,179.63 = 307,951.09/x
  3. Step 3: Cross multiply
    566,068.52x = 781,179.63 × 307,951.09
  4. Step 4: Simplify right side
    566,068.52x = 240,565,118,544.30
  5. Step 5: Solve for x
    x = 240,565,118,544.30/566,068.52
  6. Step 6: Final answer
    x = 424,975.26

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1.5x scale

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.