Home / 858,600.29-1,287,457.56-454,010.96

Finding the Fourth Proportional to 858,600.29, 1,287,457.56 and 454,010.96

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Solution

The fourth proportional to 858,600.29, 1,287,457.56 and 454,010.96 is: 680,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,600.29 : 1,287,457.56 = 454,010.96 : x
  2. Step 2: Convert to fraction form
    858,600.29/1,287,457.56 = 454,010.96/x
  3. Step 3: Cross multiply
    858,600.29x = 1,287,457.56 × 454,010.96
  4. Step 4: Simplify right side
    858,600.29x = 584,519,836,337.57
  5. Step 5: Solve for x
    x = 584,519,836,337.57/858,600.29
  6. Step 6: Final answer
    x = 680,782.25

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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.