Home / 831,884.16-1,148,000.13-449,910.95

Finding the Fourth Proportional to 831,884.16, 1,148,000.13 and 449,910.95

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Solution

The fourth proportional to 831,884.16, 1,148,000.13 and 449,910.95 is: 620,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,884.16 : 1,148,000.13 = 449,910.95 : x
  2. Step 2: Convert to fraction form
    831,884.16/1,148,000.13 = 449,910.95/x
  3. Step 3: Cross multiply
    831,884.16x = 1,148,000.13 × 449,910.95
  4. Step 4: Simplify right side
    831,884.16x = 516,497,823,348.42
  5. Step 5: Solve for x
    x = 516,497,823,348.42/831,884.16
  6. Step 6: Final answer
    x = 620,877.10

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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.