Home / 702,665.60-1,053,998.40-450,723.20

Finding the Fourth Proportional to 702,665.60, 1,053,998.40 and 450,723.20

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Solution

The fourth proportional to 702,665.60, 1,053,998.40 and 450,723.20 is: 676,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,665.60 : 1,053,998.40 = 450,723.20 : x
  2. Step 2: Convert to fraction form
    702,665.60/1,053,998.40 = 450,723.20/x
  3. Step 3: Cross multiply
    702,665.60x = 1,053,998.40 × 450,723.20
  4. Step 4: Simplify right side
    702,665.60x = 475,061,531,642.88
  5. Step 5: Solve for x
    x = 475,061,531,642.88/702,665.60
  6. Step 6: Final answer
    x = 676,084.80

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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.