Home / 791,281.83-1,090,884.38-500,748.87

Finding the Fourth Proportional to 791,281.83, 1,090,884.38 and 500,748.87

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Solution

The fourth proportional to 791,281.83, 1,090,884.38 and 500,748.87 is: 690,347.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,281.83 : 1,090,884.38 = 500,748.87 : x
  2. Step 2: Convert to fraction form
    791,281.83/1,090,884.38 = 500,748.87/x
  3. Step 3: Cross multiply
    791,281.83x = 1,090,884.38 × 500,748.87
  4. Step 4: Simplify right side
    791,281.83x = 546,259,120,585.65
  5. Step 5: Solve for x
    x = 546,259,120,585.65/791,281.83
  6. Step 6: Final answer
    x = 690,347.11

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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.