Home / 672,052.90-1,008,079.35-620,731.30

Finding the Fourth Proportional to 672,052.90, 1,008,079.35 and 620,731.30

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Solution

The fourth proportional to 672,052.90, 1,008,079.35 and 620,731.30 is: 931,096.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,052.90 : 1,008,079.35 = 620,731.30 : x
  2. Step 2: Convert to fraction form
    672,052.90/1,008,079.35 = 620,731.30/x
  3. Step 3: Cross multiply
    672,052.90x = 1,008,079.35 × 620,731.30
  4. Step 4: Simplify right side
    672,052.90x = 625,746,405,428.66
  5. Step 5: Solve for x
    x = 625,746,405,428.66/672,052.90
  6. Step 6: Final answer
    x = 931,096.95

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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.