Home / 672,052.40-1,008,078.60-620,730.80

Finding the Fourth Proportional to 672,052.40, 1,008,078.60 and 620,730.80

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Solution

The fourth proportional to 672,052.40, 1,008,078.60 and 620,730.80 is: 931,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,052.40 : 1,008,078.60 = 620,730.80 : x
  2. Step 2: Convert to fraction form
    672,052.40/1,008,078.60 = 620,730.80/x
  3. Step 3: Cross multiply
    672,052.40x = 1,008,078.60 × 620,730.80
  4. Step 4: Simplify right side
    672,052.40x = 625,745,435,840.88
  5. Step 5: Solve for x
    x = 625,745,435,840.88/672,052.40
  6. Step 6: Final answer
    x = 931,096.20

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Similar ratio
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1.5x scale

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.