Home / 695,220.30-1,042,830.45-679,668.30

Finding the Fourth Proportional to 695,220.30, 1,042,830.45 and 679,668.30

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Solution

The fourth proportional to 695,220.30, 1,042,830.45 and 679,668.30 is: 1,019,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,220.30 : 1,042,830.45 = 679,668.30 : x
  2. Step 2: Convert to fraction form
    695,220.30/1,042,830.45 = 679,668.30/x
  3. Step 3: Cross multiply
    695,220.30x = 1,042,830.45 × 679,668.30
  4. Step 4: Simplify right side
    695,220.30x = 708,778,799,139.74
  5. Step 5: Solve for x
    x = 708,778,799,139.74/695,220.30
  6. Step 6: Final answer
    x = 1,019,502.45

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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.