Home / 695,545.40-1,042,005.90-648,306.20

Finding the Fourth Proportional to 695,545.40, 1,042,005.90 and 648,306.20

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Solution

The fourth proportional to 695,545.40, 1,042,005.90 and 648,306.20 is: 971,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,545.40 : 1,042,005.90 = 648,306.20 : x
  2. Step 2: Convert to fraction form
    695,545.40/1,042,005.90 = 648,306.20/x
  3. Step 3: Cross multiply
    695,545.40x = 1,042,005.90 × 648,306.20
  4. Step 4: Simplify right side
    695,545.40x = 675,538,885,406.58
  5. Step 5: Solve for x
    x = 675,538,885,406.58/695,545.40
  6. Step 6: Final answer
    x = 971,236.22

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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.