Home / 875,878.11-1,208,753.28-493,896.69

Finding the Fourth Proportional to 875,878.11, 1,208,753.28 and 493,896.69

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Solution

The fourth proportional to 875,878.11, 1,208,753.28 and 493,896.69 is: 681,600.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,878.11 : 1,208,753.28 = 493,896.69 : x
  2. Step 2: Convert to fraction form
    875,878.11/1,208,753.28 = 493,896.69/x
  3. Step 3: Cross multiply
    875,878.11x = 1,208,753.28 × 493,896.69
  4. Step 4: Simplify right side
    875,878.11x = 596,999,244,018.64
  5. Step 5: Solve for x
    x = 596,999,244,018.64/875,878.11
  6. Step 6: Final answer
    x = 681,600.83

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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.