Home / 782,904-1,080,407.52-425,208

Finding the Fourth Proportional to 782,904, 1,080,407.52 and 425,208

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Solution

The fourth proportional to 782,904, 1,080,407.52 and 425,208 is: 586,787.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,904 : 1,080,407.52 = 425,208 : x
  2. Step 2: Convert to fraction form
    782,904/1,080,407.52 = 425,208/x
  3. Step 3: Cross multiply
    782,904x = 1,080,407.52 × 425,208
  4. Step 4: Simplify right side
    782,904x = 459,397,920,764.16
  5. Step 5: Solve for x
    x = 459,397,920,764.16/782,904
  6. Step 6: Final answer
    x = 586,787.04

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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.