Home / 803,114.28-1,108,111.86-480,701.88

Finding the Fourth Proportional to 803,114.28, 1,108,111.86 and 480,701.88

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Solution

The fourth proportional to 803,114.28, 1,108,111.86 and 480,701.88 is: 663,257.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,114.28 : 1,108,111.86 = 480,701.88 : x
  2. Step 2: Convert to fraction form
    803,114.28/1,108,111.86 = 480,701.88/x
  3. Step 3: Cross multiply
    803,114.28x = 1,108,111.86 × 480,701.88
  4. Step 4: Simplify right side
    803,114.28x = 532,671,454,352.30
  5. Step 5: Solve for x
    x = 532,671,454,352.30/803,114.28
  6. Step 6: Final answer
    x = 663,257.36

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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.