Home / 681,354.65-940,257.02-375,459.27

Finding the Fourth Proportional to 681,354.65, 940,257.02 and 375,459.27

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Solution

The fourth proportional to 681,354.65, 940,257.02 and 375,459.27 is: 518,126.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,354.65 : 940,257.02 = 375,459.27 : x
  2. Step 2: Convert to fraction form
    681,354.65/940,257.02 = 375,459.27/x
  3. Step 3: Cross multiply
    681,354.65x = 940,257.02 × 375,459.27
  4. Step 4: Simplify right side
    681,354.65x = 353,028,211,754.26
  5. Step 5: Solve for x
    x = 353,028,211,754.26/681,354.65
  6. Step 6: Final answer
    x = 518,126.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.