Home / 674,591.97-931,102.23-384,374.64

Finding the Fourth Proportional to 674,591.97, 931,102.23 and 384,374.64

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Solution

The fourth proportional to 674,591.97, 931,102.23 and 384,374.64 is: 530,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,591.97 : 931,102.23 = 384,374.64 : x
  2. Step 2: Convert to fraction form
    674,591.97/931,102.23 = 384,374.64/x
  3. Step 3: Cross multiply
    674,591.97x = 931,102.23 × 384,374.64
  4. Step 4: Simplify right side
    674,591.97x = 357,892,084,459.45
  5. Step 5: Solve for x
    x = 357,892,084,459.45/674,591.97
  6. Step 6: Final answer
    x = 530,531.20

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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.