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Finding the Fourth Proportional to 503,283.28, 754,966.74 and 218,983.60

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Solution

The fourth proportional to 503,283.28, 754,966.74 and 218,983.60 is: 328,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,283.28 : 754,966.74 = 218,983.60 : x
  2. Step 2: Convert to fraction form
    503,283.28/754,966.74 = 218,983.60/x
  3. Step 3: Cross multiply
    503,283.28x = 754,966.74 × 218,983.60
  4. Step 4: Simplify right side
    503,283.28x = 165,325,334,605.46
  5. Step 5: Solve for x
    x = 165,325,334,605.46/503,283.28
  6. Step 6: Final answer
    x = 328,493.60

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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.