Home / 695,363.40-1,041,489.90-679,811.40

Finding the Fourth Proportional to 695,363.40, 1,041,489.90 and 679,811.40

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Solution

The fourth proportional to 695,363.40, 1,041,489.90 and 679,811.40 is: 1,018,196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,363.40 : 1,041,489.90 = 679,811.40 : x
  2. Step 2: Convert to fraction form
    695,363.40/1,041,489.90 = 679,811.40/x
  3. Step 3: Cross multiply
    695,363.40x = 1,041,489.90 × 679,811.40
  4. Step 4: Simplify right side
    695,363.40x = 708,016,707,004.86
  5. Step 5: Solve for x
    x = 708,016,707,004.86/695,363.40
  6. Step 6: Final answer
    x = 1,018,196.68

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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.