Home / 914,620.80-1,371,931.20-283,598.40

Finding the Fourth Proportional to 914,620.80, 1,371,931.20 and 283,598.40

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Solution

The fourth proportional to 914,620.80, 1,371,931.20 and 283,598.40 is: 425,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,620.80 : 1,371,931.20 = 283,598.40 : x
  2. Step 2: Convert to fraction form
    914,620.80/1,371,931.20 = 283,598.40/x
  3. Step 3: Cross multiply
    914,620.80x = 1,371,931.20 × 283,598.40
  4. Step 4: Simplify right side
    914,620.80x = 389,077,493,230.08
  5. Step 5: Solve for x
    x = 389,077,493,230.08/914,620.80
  6. Step 6: Final answer
    x = 425,397.60

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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.