Home / 766,276.60-1,147,446.60-607,500.40

Finding the Fourth Proportional to 766,276.60, 1,147,446.60 and 607,500.40

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Solution

The fourth proportional to 766,276.60, 1,147,446.60 and 607,500.40 is: 909,690.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,276.60 : 1,147,446.60 = 607,500.40 : x
  2. Step 2: Convert to fraction form
    766,276.60/1,147,446.60 = 607,500.40/x
  3. Step 3: Cross multiply
    766,276.60x = 1,147,446.60 × 607,500.40
  4. Step 4: Simplify right side
    766,276.60x = 697,074,268,478.64
  5. Step 5: Solve for x
    x = 697,074,268,478.64/766,276.60
  6. Step 6: Final answer
    x = 909,690.14

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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.