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Finding the Fourth Proportional to 661,269.64, 991,530.96 and 604,845.04

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Solution

The fourth proportional to 661,269.64, 991,530.96 and 604,845.04 is: 906,925.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,269.64 : 991,530.96 = 604,845.04 : x
  2. Step 2: Convert to fraction form
    661,269.64/991,530.96 = 604,845.04/x
  3. Step 3: Cross multiply
    661,269.64x = 991,530.96 × 604,845.04
  4. Step 4: Simplify right side
    661,269.64x = 599,722,583,162.44
  5. Step 5: Solve for x
    x = 599,722,583,162.44/661,269.64
  6. Step 6: Final answer
    x = 906,925.93

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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.