Home / 766,005.50-1,057,120.40-426,473.75

Finding the Fourth Proportional to 766,005.50, 1,057,120.40 and 426,473.75

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Solution

The fourth proportional to 766,005.50, 1,057,120.40 and 426,473.75 is: 588,552.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,005.50 : 1,057,120.40 = 426,473.75 : x
  2. Step 2: Convert to fraction form
    766,005.50/1,057,120.40 = 426,473.75/x
  3. Step 3: Cross multiply
    766,005.50x = 1,057,120.40 × 426,473.75
  4. Step 4: Simplify right side
    766,005.50x = 450,834,101,189.50
  5. Step 5: Solve for x
    x = 450,834,101,189.50/766,005.50
  6. Step 6: Final answer
    x = 588,552.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.