Home / 847,397.30-1,271,095.54-216,310.91

Finding the Fourth Proportional to 847,397.30, 1,271,095.54 and 216,310.91

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Solution

The fourth proportional to 847,397.30, 1,271,095.54 and 216,310.91 is: 324,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,397.30 : 1,271,095.54 = 216,310.91 : x
  2. Step 2: Convert to fraction form
    847,397.30/1,271,095.54 = 216,310.91/x
  3. Step 3: Cross multiply
    847,397.30x = 1,271,095.54 × 216,310.91
  4. Step 4: Simplify right side
    847,397.30x = 274,951,826,058.09
  5. Step 5: Solve for x
    x = 274,951,826,058.09/847,397.30
  6. Step 6: Final answer
    x = 324,466.25

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Similar ratio
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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.