Home / 875,034.13-1,312,625.31-243,948.55

Finding the Fourth Proportional to 875,034.13, 1,312,625.31 and 243,948.55

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Solution

The fourth proportional to 875,034.13, 1,312,625.31 and 243,948.55 is: 365,943.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,034.13 : 1,312,625.31 = 243,948.55 : x
  2. Step 2: Convert to fraction form
    875,034.13/1,312,625.31 = 243,948.55/x
  3. Step 3: Cross multiply
    875,034.13x = 1,312,625.31 × 243,948.55
  4. Step 4: Simplify right side
    875,034.13x = 320,213,041,067.80
  5. Step 5: Solve for x
    x = 320,213,041,067.80/875,034.13
  6. Step 6: Final answer
    x = 365,943.49

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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.