Home / 684,090.06-1,026,356.58-329,057.88

Finding the Fourth Proportional to 684,090.06, 1,026,356.58 and 329,057.88

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Solution

The fourth proportional to 684,090.06, 1,026,356.58 and 329,057.88 is: 493,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,090.06 : 1,026,356.58 = 329,057.88 : x
  2. Step 2: Convert to fraction form
    684,090.06/1,026,356.58 = 329,057.88/x
  3. Step 3: Cross multiply
    684,090.06x = 1,026,356.58 × 329,057.88
  4. Step 4: Simplify right side
    684,090.06x = 337,730,720,338.85
  5. Step 5: Solve for x
    x = 337,730,720,338.85/684,090.06
  6. Step 6: Final answer
    x = 493,693.36

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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.