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Finding the Fourth Proportional to 608,529.60, 911,044.80 and 608,529.60

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Solution

The fourth proportional to 608,529.60, 911,044.80 and 608,529.60 is: 911,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,529.60 : 911,044.80 = 608,529.60 : x
  2. Step 2: Convert to fraction form
    608,529.60/911,044.80 = 608,529.60/x
  3. Step 3: Cross multiply
    608,529.60x = 911,044.80 × 608,529.60
  4. Step 4: Simplify right side
    608,529.60x = 554,397,727,726.08
  5. Step 5: Solve for x
    x = 554,397,727,726.08/608,529.60
  6. Step 6: Final answer
    x = 911,044.80

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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.