Home / 646,732.80-970,099.20-579,081.60

Finding the Fourth Proportional to 646,732.80, 970,099.20 and 579,081.60

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Solution

The fourth proportional to 646,732.80, 970,099.20 and 579,081.60 is: 868,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,732.80 : 970,099.20 = 579,081.60 : x
  2. Step 2: Convert to fraction form
    646,732.80/970,099.20 = 579,081.60/x
  3. Step 3: Cross multiply
    646,732.80x = 970,099.20 × 579,081.60
  4. Step 4: Simplify right side
    646,732.80x = 561,766,596,894.72
  5. Step 5: Solve for x
    x = 561,766,596,894.72/646,732.80
  6. Step 6: Final answer
    x = 868,622.40

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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.