Home / 791,553.59-1,091,746.28-497,288.87

Finding the Fourth Proportional to 791,553.59, 1,091,746.28 and 497,288.87

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Solution

The fourth proportional to 791,553.59, 1,091,746.28 and 497,288.87 is: 685,883.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,553.59 : 1,091,746.28 = 497,288.87 : x
  2. Step 2: Convert to fraction form
    791,553.59/1,091,746.28 = 497,288.87/x
  3. Step 3: Cross multiply
    791,553.59x = 1,091,746.28 × 497,288.87
  4. Step 4: Simplify right side
    791,553.59x = 542,913,273,786.44
  5. Step 5: Solve for x
    x = 542,913,273,786.44/791,553.59
  6. Step 6: Final answer
    x = 685,883.16

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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.