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Finding the Fourth Proportional to 807,609.32, 1,114,500.92 and 468,274.40

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Solution

The fourth proportional to 807,609.32, 1,114,500.92 and 468,274.40 is: 646,218.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,609.32 : 1,114,500.92 = 468,274.40 : x
  2. Step 2: Convert to fraction form
    807,609.32/1,114,500.92 = 468,274.40/x
  3. Step 3: Cross multiply
    807,609.32x = 1,114,500.92 × 468,274.40
  4. Step 4: Simplify right side
    807,609.32x = 521,892,249,612.45
  5. Step 5: Solve for x
    x = 521,892,249,612.45/807,609.32
  6. Step 6: Final answer
    x = 646,218.71

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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.