Home / 758,946.60-1,138,074.30-338,005.80

Finding the Fourth Proportional to 758,946.60, 1,138,074.30 and 338,005.80

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Solution

The fourth proportional to 758,946.60, 1,138,074.30 and 338,005.80 is: 506,854.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,946.60 : 1,138,074.30 = 338,005.80 : x
  2. Step 2: Convert to fraction form
    758,946.60/1,138,074.30 = 338,005.80/x
  3. Step 3: Cross multiply
    758,946.60x = 1,138,074.30 × 338,005.80
  4. Step 4: Simplify right side
    758,946.60x = 384,675,714,230.94
  5. Step 5: Solve for x
    x = 384,675,714,230.94/758,946.60
  6. Step 6: Final answer
    x = 506,854.78

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1.5x scale

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.