Home / 914,620.80-1,371,931.20-616,022.40

Finding the Fourth Proportional to 914,620.80, 1,371,931.20 and 616,022.40

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Solution

The fourth proportional to 914,620.80, 1,371,931.20 and 616,022.40 is: 924,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,620.80 : 1,371,931.20 = 616,022.40 : x
  2. Step 2: Convert to fraction form
    914,620.80/1,371,931.20 = 616,022.40/x
  3. Step 3: Cross multiply
    914,620.80x = 1,371,931.20 × 616,022.40
  4. Step 4: Simplify right side
    914,620.80x = 845,140,350,458.88
  5. Step 5: Solve for x
    x = 845,140,350,458.88/914,620.80
  6. Step 6: Final answer
    x = 924,033.60

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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.