Home / 745,268.38-1,117,920.96-271,953.60

Finding the Fourth Proportional to 745,268.38, 1,117,920.96 and 271,953.60

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Solution

The fourth proportional to 745,268.38, 1,117,920.96 and 271,953.60 is: 407,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,268.38 : 1,117,920.96 = 271,953.60 : x
  2. Step 2: Convert to fraction form
    745,268.38/1,117,920.96 = 271,953.60/x
  3. Step 3: Cross multiply
    745,268.38x = 1,117,920.96 × 271,953.60
  4. Step 4: Simplify right side
    745,268.38x = 304,022,629,587.46
  5. Step 5: Solve for x
    x = 304,022,629,587.46/745,268.38
  6. Step 6: Final answer
    x = 407,937.11

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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.