Home / 792,704.30-1,189,056.45-509,269.10

Finding the Fourth Proportional to 792,704.30, 1,189,056.45 and 509,269.10

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Solution

The fourth proportional to 792,704.30, 1,189,056.45 and 509,269.10 is: 763,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,704.30 : 1,189,056.45 = 509,269.10 : x
  2. Step 2: Convert to fraction form
    792,704.30/1,189,056.45 = 509,269.10/x
  3. Step 3: Cross multiply
    792,704.30x = 1,189,056.45 × 509,269.10
  4. Step 4: Simplify right side
    792,704.30x = 605,549,708,140.70
  5. Step 5: Solve for x
    x = 605,549,708,140.70/792,704.30
  6. Step 6: Final answer
    x = 763,903.65

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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.