Home / 847,072.80-1,271,135.52-527,851.20

Finding the Fourth Proportional to 847,072.80, 1,271,135.52 and 527,851.20

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Solution

The fourth proportional to 847,072.80, 1,271,135.52 and 527,851.20 is: 792,104.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,072.80 : 1,271,135.52 = 527,851.20 : x
  2. Step 2: Convert to fraction form
    847,072.80/1,271,135.52 = 527,851.20/x
  3. Step 3: Cross multiply
    847,072.80x = 1,271,135.52 × 527,851.20
  4. Step 4: Simplify right side
    847,072.80x = 670,970,409,594.62
  5. Step 5: Solve for x
    x = 670,970,409,594.62/847,072.80
  6. Step 6: Final answer
    x = 792,104.77

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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.