Home / 880,875.86-1,215,693.50-493,689.38

Finding the Fourth Proportional to 880,875.86, 1,215,693.50 and 493,689.38

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Solution

The fourth proportional to 880,875.86, 1,215,693.50 and 493,689.38 is: 681,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,875.86 : 1,215,693.50 = 493,689.38 : x
  2. Step 2: Convert to fraction form
    880,875.86/1,215,693.50 = 493,689.38/x
  3. Step 3: Cross multiply
    880,875.86x = 1,215,693.50 × 493,689.38
  4. Step 4: Simplify right side
    880,875.86x = 600,174,961,738.12
  5. Step 5: Solve for x
    x = 600,174,961,738.12/880,875.86
  6. Step 6: Final answer
    x = 681,338.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.