Home / 646,944.30-970,546.05-542,486.70

Finding the Fourth Proportional to 646,944.30, 970,546.05 and 542,486.70

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Solution

The fourth proportional to 646,944.30, 970,546.05 and 542,486.70 is: 813,838.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,944.30 : 970,546.05 = 542,486.70 : x
  2. Step 2: Convert to fraction form
    646,944.30/970,546.05 = 542,486.70/x
  3. Step 3: Cross multiply
    646,944.30x = 970,546.05 × 542,486.70
  4. Step 4: Simplify right side
    646,944.30x = 526,508,323,862.54
  5. Step 5: Solve for x
    x = 526,508,323,862.54/646,944.30
  6. Step 6: Final answer
    x = 813,838.72

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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.