Home / 875,862.95-1,208,691.09-493,889.83

Finding the Fourth Proportional to 875,862.95, 1,208,691.09 and 493,889.83

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Solution

The fourth proportional to 875,862.95, 1,208,691.09 and 493,889.83 is: 681,568.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,862.95 : 1,208,691.09 = 493,889.83 : x
  2. Step 2: Convert to fraction form
    875,862.95/1,208,691.09 = 493,889.83/x
  3. Step 3: Cross multiply
    875,862.95x = 1,208,691.09 × 493,889.83
  4. Step 4: Simplify right side
    875,862.95x = 596,960,233,940.89
  5. Step 5: Solve for x
    x = 596,960,233,940.89/875,862.95
  6. Step 6: Final answer
    x = 681,568.09

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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.