Home / 766,278.60-1,147,449.60-607,502.40

Finding the Fourth Proportional to 766,278.60, 1,147,449.60 and 607,502.40

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Solution

The fourth proportional to 766,278.60, 1,147,449.60 and 607,502.40 is: 909,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,278.60 : 1,147,449.60 = 607,502.40 : x
  2. Step 2: Convert to fraction form
    766,278.60/1,147,449.60 = 607,502.40/x
  3. Step 3: Cross multiply
    766,278.60x = 1,147,449.60 × 607,502.40
  4. Step 4: Simplify right side
    766,278.60x = 697,078,385,879.04
  5. Step 5: Solve for x
    x = 697,078,385,879.04/766,278.60
  6. Step 6: Final answer
    x = 909,693.14

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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.