Home / 982,307.20-1,473,460.80-509,915.20

Finding the Fourth Proportional to 982,307.20, 1,473,460.80 and 509,915.20

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Solution

The fourth proportional to 982,307.20, 1,473,460.80 and 509,915.20 is: 764,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,307.20 : 1,473,460.80 = 509,915.20 : x
  2. Step 2: Convert to fraction form
    982,307.20/1,473,460.80 = 509,915.20/x
  3. Step 3: Cross multiply
    982,307.20x = 1,473,460.80 × 509,915.20
  4. Step 4: Simplify right side
    982,307.20x = 751,340,058,524.16
  5. Step 5: Solve for x
    x = 751,340,058,524.16/982,307.20
  6. Step 6: Final answer
    x = 764,872.80

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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.