Home / 785,511.28-1,083,977.22-480,098.80

Finding the Fourth Proportional to 785,511.28, 1,083,977.22 and 480,098.80

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Solution

The fourth proportional to 785,511.28, 1,083,977.22 and 480,098.80 is: 662,519.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,511.28 : 1,083,977.22 = 480,098.80 : x
  2. Step 2: Convert to fraction form
    785,511.28/1,083,977.22 = 480,098.80/x
  3. Step 3: Cross multiply
    785,511.28x = 1,083,977.22 × 480,098.80
  4. Step 4: Simplify right side
    785,511.28x = 520,416,162,549.34
  5. Step 5: Solve for x
    x = 520,416,162,549.34/785,511.28
  6. Step 6: Final answer
    x = 662,519.02

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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.