Home / 787,049.04-1,085,992.08-442,837.20

Finding the Fourth Proportional to 787,049.04, 1,085,992.08 and 442,837.20

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Solution

The fourth proportional to 787,049.04, 1,085,992.08 and 442,837.20 is: 611,039.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,049.04 : 1,085,992.08 = 442,837.20 : x
  2. Step 2: Convert to fraction form
    787,049.04/1,085,992.08 = 442,837.20/x
  3. Step 3: Cross multiply
    787,049.04x = 1,085,992.08 × 442,837.20
  4. Step 4: Simplify right side
    787,049.04x = 480,917,691,929.38
  5. Step 5: Solve for x
    x = 480,917,691,929.38/787,049.04
  6. Step 6: Final answer
    x = 611,039.04

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Double scale
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1.5x scale

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.