Home / 810,251.10-1,118,158.02-447,682.95

Finding the Fourth Proportional to 810,251.10, 1,118,158.02 and 447,682.95

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Solution

The fourth proportional to 810,251.10, 1,118,158.02 and 447,682.95 is: 617,808.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,251.10 : 1,118,158.02 = 447,682.95 : x
  2. Step 2: Convert to fraction form
    810,251.10/1,118,158.02 = 447,682.95/x
  3. Step 3: Cross multiply
    810,251.10x = 1,118,158.02 × 447,682.95
  4. Step 4: Simplify right side
    810,251.10x = 500,580,280,959.76
  5. Step 5: Solve for x
    x = 500,580,280,959.76/810,251.10
  6. Step 6: Final answer
    x = 617,808.83

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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.