Home / 830,915.11-1,246,540.34-262,385.02

Finding the Fourth Proportional to 830,915.11, 1,246,540.34 and 262,385.02

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Solution

The fourth proportional to 830,915.11, 1,246,540.34 and 262,385.02 is: 393,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,915.11 : 1,246,540.34 = 262,385.02 : x
  2. Step 2: Convert to fraction form
    830,915.11/1,246,540.34 = 262,385.02/x
  3. Step 3: Cross multiply
    830,915.11x = 1,246,540.34 × 262,385.02
  4. Step 4: Simplify right side
    830,915.11x = 327,073,512,041.71
  5. Step 5: Solve for x
    x = 327,073,512,041.71/830,915.11
  6. Step 6: Final answer
    x = 393,630.48

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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.