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Finding the Fourth Proportional to 495,895.80, 745,398.90 and 486,564.60

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Solution

The fourth proportional to 495,895.80, 745,398.90 and 486,564.60 is: 731,372.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,895.80 : 745,398.90 = 486,564.60 : x
  2. Step 2: Convert to fraction form
    495,895.80/745,398.90 = 486,564.60/x
  3. Step 3: Cross multiply
    495,895.80x = 745,398.90 × 486,564.60
  4. Step 4: Simplify right side
    495,895.80x = 362,684,717,618.94
  5. Step 5: Solve for x
    x = 362,684,717,618.94/495,895.80
  6. Step 6: Final answer
    x = 731,372.84

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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.