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Finding the Fourth Proportional to 662,628.20, 993,164.70 and 283,548.20

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Solution

The fourth proportional to 662,628.20, 993,164.70 and 283,548.20 is: 424,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,628.20 : 993,164.70 = 283,548.20 : x
  2. Step 2: Convert to fraction form
    662,628.20/993,164.70 = 283,548.20/x
  3. Step 3: Cross multiply
    662,628.20x = 993,164.70 × 283,548.20
  4. Step 4: Simplify right side
    662,628.20x = 281,610,062,988.54
  5. Step 5: Solve for x
    x = 281,610,062,988.54/662,628.20
  6. Step 6: Final answer
    x = 424,989.55

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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.