Home / 662,023.20-993,034.80-396,602.40

Finding the Fourth Proportional to 662,023.20, 993,034.80 and 396,602.40

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Solution

The fourth proportional to 662,023.20, 993,034.80 and 396,602.40 is: 594,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,023.20 : 993,034.80 = 396,602.40 : x
  2. Step 2: Convert to fraction form
    662,023.20/993,034.80 = 396,602.40/x
  3. Step 3: Cross multiply
    662,023.20x = 993,034.80 × 396,602.40
  4. Step 4: Simplify right side
    662,023.20x = 393,839,984,963.52
  5. Step 5: Solve for x
    x = 393,839,984,963.52/662,023.20
  6. Step 6: Final answer
    x = 594,903.60

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Similar ratio
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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.