Home / 914,650.80-1,371,976.20-283,628.40

Finding the Fourth Proportional to 914,650.80, 1,371,976.20 and 283,628.40

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Solution

The fourth proportional to 914,650.80, 1,371,976.20 and 283,628.40 is: 425,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,650.80 : 1,371,976.20 = 283,628.40 : x
  2. Step 2: Convert to fraction form
    914,650.80/1,371,976.20 = 283,628.40/x
  3. Step 3: Cross multiply
    914,650.80x = 1,371,976.20 × 283,628.40
  4. Step 4: Simplify right side
    914,650.80x = 389,131,414,444.08
  5. Step 5: Solve for x
    x = 389,131,414,444.08/914,650.80
  6. Step 6: Final answer
    x = 425,442.60

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1.5x scale

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.