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Finding the Fourth Proportional to 580,468.50, 869,671.50 and 495,365.04

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Solution

The fourth proportional to 580,468.50, 869,671.50 and 495,365.04 is: 742,167.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,468.50 : 869,671.50 = 495,365.04 : x
  2. Step 2: Convert to fraction form
    580,468.50/869,671.50 = 495,365.04/x
  3. Step 3: Cross multiply
    580,468.50x = 869,671.50 × 495,365.04
  4. Step 4: Simplify right side
    580,468.50x = 430,804,857,384.36
  5. Step 5: Solve for x
    x = 430,804,857,384.36/580,468.50
  6. Step 6: Final answer
    x = 742,167.50

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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.