Home / 646,933.60-970,400.40-481,045.60

Finding the Fourth Proportional to 646,933.60, 970,400.40 and 481,045.60

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Solution

The fourth proportional to 646,933.60, 970,400.40 and 481,045.60 is: 721,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,933.60 : 970,400.40 = 481,045.60 : x
  2. Step 2: Convert to fraction form
    646,933.60/970,400.40 = 481,045.60/x
  3. Step 3: Cross multiply
    646,933.60x = 970,400.40 × 481,045.60
  4. Step 4: Simplify right side
    646,933.60x = 466,806,842,658.24
  5. Step 5: Solve for x
    x = 466,806,842,658.24/646,933.60
  6. Step 6: Final answer
    x = 721,568.40

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Double scale
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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.