Home / 921,666.24-1,382,508.96-256,818.24

Finding the Fourth Proportional to 921,666.24, 1,382,508.96 and 256,818.24

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Solution

The fourth proportional to 921,666.24, 1,382,508.96 and 256,818.24 is: 385,230.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,666.24 : 1,382,508.96 = 256,818.24 : x
  2. Step 2: Convert to fraction form
    921,666.24/1,382,508.96 = 256,818.24/x
  3. Step 3: Cross multiply
    921,666.24x = 1,382,508.96 × 256,818.24
  4. Step 4: Simplify right side
    921,666.24x = 355,053,517,891.43
  5. Step 5: Solve for x
    x = 355,053,517,891.43/921,666.24
  6. Step 6: Final answer
    x = 385,230.03

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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.