Home / 766,854.60-1,150,271.10-346,129.80

Finding the Fourth Proportional to 766,854.60, 1,150,271.10 and 346,129.80

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Solution

The fourth proportional to 766,854.60, 1,150,271.10 and 346,129.80 is: 519,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,854.60 : 1,150,271.10 = 346,129.80 : x
  2. Step 2: Convert to fraction form
    766,854.60/1,150,271.10 = 346,129.80/x
  3. Step 3: Cross multiply
    766,854.60x = 1,150,271.10 × 346,129.80
  4. Step 4: Simplify right side
    766,854.60x = 398,143,105,788.78
  5. Step 5: Solve for x
    x = 398,143,105,788.78/766,854.60
  6. Step 6: Final answer
    x = 519,189.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.