Home / 847,398.80-1,271,097.79-216,312.41

Finding the Fourth Proportional to 847,398.80, 1,271,097.79 and 216,312.41

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Solution

The fourth proportional to 847,398.80, 1,271,097.79 and 216,312.41 is: 324,468.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,398.80 : 1,271,097.79 = 216,312.41 : x
  2. Step 2: Convert to fraction form
    847,398.80/1,271,097.79 = 216,312.41/x
  3. Step 3: Cross multiply
    847,398.80x = 1,271,097.79 × 216,312.41
  4. Step 4: Simplify right side
    847,398.80x = 274,954,219,404.30
  5. Step 5: Solve for x
    x = 274,954,219,404.30/847,398.80
  6. Step 6: Final answer
    x = 324,468.50

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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.