Home / 914,622.20-1,371,933.30-283,729.40

Finding the Fourth Proportional to 914,622.20, 1,371,933.30 and 283,729.40

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Solution

The fourth proportional to 914,622.20, 1,371,933.30 and 283,729.40 is: 425,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,622.20 : 1,371,933.30 = 283,729.40 : x
  2. Step 2: Convert to fraction form
    914,622.20/1,371,933.30 = 283,729.40/x
  3. Step 3: Cross multiply
    914,622.20x = 1,371,933.30 × 283,729.40
  4. Step 4: Simplify right side
    914,622.20x = 389,257,812,049.02
  5. Step 5: Solve for x
    x = 389,257,812,049.02/914,622.20
  6. Step 6: Final answer
    x = 425,594.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.