Home / 707,998.20-1,060,442.10-427,025.40

Finding the Fourth Proportional to 707,998.20, 1,060,442.10 and 427,025.40

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Solution

The fourth proportional to 707,998.20, 1,060,442.10 and 427,025.40 is: 639,600.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,998.20 : 1,060,442.10 = 427,025.40 : x
  2. Step 2: Convert to fraction form
    707,998.20/1,060,442.10 = 427,025.40/x
  3. Step 3: Cross multiply
    707,998.20x = 1,060,442.10 × 427,025.40
  4. Step 4: Simplify right side
    707,998.20x = 452,835,711,929.34
  5. Step 5: Solve for x
    x = 452,835,711,929.34/707,998.20
  6. Step 6: Final answer
    x = 639,600.09

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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.