Home / 642,051.20-962,385.60-242,537.60

Finding the Fourth Proportional to 642,051.20, 962,385.60 and 242,537.60

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Solution

The fourth proportional to 642,051.20, 962,385.60 and 242,537.60 is: 363,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,051.20 : 962,385.60 = 242,537.60 : x
  2. Step 2: Convert to fraction form
    642,051.20/962,385.60 = 242,537.60/x
  3. Step 3: Cross multiply
    642,051.20x = 962,385.60 × 242,537.60
  4. Step 4: Simplify right side
    642,051.20x = 233,414,693,698.56
  5. Step 5: Solve for x
    x = 233,414,693,698.56/642,051.20
  6. Step 6: Final answer
    x = 363,545.30

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1.5x scale

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.