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Finding the Fourth Proportional to 978,613.36, 1,466,715.36 and 466,548.27

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Solution

The fourth proportional to 978,613.36, 1,466,715.36 and 466,548.27 is: 699,248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,613.36 : 1,466,715.36 = 466,548.27 : x
  2. Step 2: Convert to fraction form
    978,613.36/1,466,715.36 = 466,548.27/x
  3. Step 3: Cross multiply
    978,613.36x = 1,466,715.36 × 466,548.27
  4. Step 4: Simplify right side
    978,613.36x = 684,293,518,290.08
  5. Step 5: Solve for x
    x = 684,293,518,290.08/978,613.36
  6. Step 6: Final answer
    x = 699,248.08

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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.