Home / 695,420.30-1,042,632.30-268,590.80

Finding the Fourth Proportional to 695,420.30, 1,042,632.30 and 268,590.80

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Solution

The fourth proportional to 695,420.30, 1,042,632.30 and 268,590.80 is: 402,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,420.30 : 1,042,632.30 = 268,590.80 : x
  2. Step 2: Convert to fraction form
    695,420.30/1,042,632.30 = 268,590.80/x
  3. Step 3: Cross multiply
    695,420.30x = 1,042,632.30 × 268,590.80
  4. Step 4: Simplify right side
    695,420.30x = 280,041,443,562.84
  5. Step 5: Solve for x
    x = 280,041,443,562.84/695,420.30
  6. Step 6: Final answer
    x = 402,693.80

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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.