Home / 914,843.28-1,262,447.46-506,962.38

Finding the Fourth Proportional to 914,843.28, 1,262,447.46 and 506,962.38

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Solution

The fourth proportional to 914,843.28, 1,262,447.46 and 506,962.38 is: 699,587.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,843.28 : 1,262,447.46 = 506,962.38 : x
  2. Step 2: Convert to fraction form
    914,843.28/1,262,447.46 = 506,962.38/x
  3. Step 3: Cross multiply
    914,843.28x = 1,262,447.46 × 506,962.38
  4. Step 4: Simplify right side
    914,843.28x = 640,013,368,946.56
  5. Step 5: Solve for x
    x = 640,013,368,946.56/914,843.28
  6. Step 6: Final answer
    x = 699,587.99

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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.