Home / 642,217.20-963,325.80-602,851.20

Finding the Fourth Proportional to 642,217.20, 963,325.80 and 602,851.20

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Solution

The fourth proportional to 642,217.20, 963,325.80 and 602,851.20 is: 904,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,217.20 : 963,325.80 = 602,851.20 : x
  2. Step 2: Convert to fraction form
    642,217.20/963,325.80 = 602,851.20/x
  3. Step 3: Cross multiply
    642,217.20x = 963,325.80 × 602,851.20
  4. Step 4: Simplify right side
    642,217.20x = 580,742,114,520.96
  5. Step 5: Solve for x
    x = 580,742,114,520.96/642,217.20
  6. Step 6: Final answer
    x = 904,276.80

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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.