Home / 913,200.60-1,369,800.90-493,296.60

Finding the Fourth Proportional to 913,200.60, 1,369,800.90 and 493,296.60

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Solution

The fourth proportional to 913,200.60, 1,369,800.90 and 493,296.60 is: 739,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,200.60 : 1,369,800.90 = 493,296.60 : x
  2. Step 2: Convert to fraction form
    913,200.60/1,369,800.90 = 493,296.60/x
  3. Step 3: Cross multiply
    913,200.60x = 1,369,800.90 × 493,296.60
  4. Step 4: Simplify right side
    913,200.60x = 675,718,126,646.94
  5. Step 5: Solve for x
    x = 675,718,126,646.94/913,200.60
  6. Step 6: Final answer
    x = 739,944.90

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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.