Home / 687,127.12-1,030,761.24-237,847.28

Finding the Fourth Proportional to 687,127.12, 1,030,761.24 and 237,847.28

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Solution

The fourth proportional to 687,127.12, 1,030,761.24 and 237,847.28 is: 356,795.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,127.12 : 1,030,761.24 = 237,847.28 : x
  2. Step 2: Convert to fraction form
    687,127.12/1,030,761.24 = 237,847.28/x
  3. Step 3: Cross multiply
    687,127.12x = 1,030,761.24 × 237,847.28
  4. Step 4: Simplify right side
    687,127.12x = 245,163,757,263.43
  5. Step 5: Solve for x
    x = 245,163,757,263.43/687,127.12
  6. Step 6: Final answer
    x = 356,795.34

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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.