Home / 847,401.92-1,271,102.47-216,315.53

Finding the Fourth Proportional to 847,401.92, 1,271,102.47 and 216,315.53

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Solution

The fourth proportional to 847,401.92, 1,271,102.47 and 216,315.53 is: 324,473.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,401.92 : 1,271,102.47 = 216,315.53 : x
  2. Step 2: Convert to fraction form
    847,401.92/1,271,102.47 = 216,315.53/x
  3. Step 3: Cross multiply
    847,401.92x = 1,271,102.47 × 216,315.53
  4. Step 4: Simplify right side
    847,401.92x = 274,959,204,482.36
  5. Step 5: Solve for x
    x = 274,959,204,482.36/847,401.92
  6. Step 6: Final answer
    x = 324,473.19

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Double scale
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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.