Home / 847,335.20-1,271,177.73-248,315.90

Finding the Fourth Proportional to 847,335.20, 1,271,177.73 and 248,315.90

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Solution

The fourth proportional to 847,335.20, 1,271,177.73 and 248,315.90 is: 372,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,335.20 : 1,271,177.73 = 248,315.90 : x
  2. Step 2: Convert to fraction form
    847,335.20/1,271,177.73 = 248,315.90/x
  3. Step 3: Cross multiply
    847,335.20x = 1,271,177.73 × 248,315.90
  4. Step 4: Simplify right side
    847,335.20x = 315,653,642,084.91
  5. Step 5: Solve for x
    x = 315,653,642,084.91/847,335.20
  6. Step 6: Final answer
    x = 372,525.11

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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.