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Finding the Fourth Proportional to 662,294.36, 912,873.12 and 468,451.64

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Solution

The fourth proportional to 662,294.36, 912,873.12 and 468,451.64 is: 645,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,294.36 : 912,873.12 = 468,451.64 : x
  2. Step 2: Convert to fraction form
    662,294.36/912,873.12 = 468,451.64/x
  3. Step 3: Cross multiply
    662,294.36x = 912,873.12 × 468,451.64
  4. Step 4: Simplify right side
    662,294.36x = 427,636,910,175.92
  5. Step 5: Solve for x
    x = 427,636,910,175.92/662,294.36
  6. Step 6: Final answer
    x = 645,690.10

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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.