Home / 695,854.98-1,042,010.19-458,478.18

Finding the Fourth Proportional to 695,854.98, 1,042,010.19 and 458,478.18

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Solution

The fourth proportional to 695,854.98, 1,042,010.19 and 458,478.18 is: 686,549.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,854.98 : 1,042,010.19 = 458,478.18 : x
  2. Step 2: Convert to fraction form
    695,854.98/1,042,010.19 = 458,478.18/x
  3. Step 3: Cross multiply
    695,854.98x = 1,042,010.19 × 458,478.18
  4. Step 4: Simplify right side
    695,854.98x = 477,738,935,452.65
  5. Step 5: Solve for x
    x = 477,738,935,452.65/695,854.98
  6. Step 6: Final answer
    x = 686,549.57

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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.