Home / 847,982.40-1,271,572.65-493,105.20

Finding the Fourth Proportional to 847,982.40, 1,271,572.65 and 493,105.20

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Solution

The fourth proportional to 847,982.40, 1,271,572.65 and 493,105.20 is: 739,424.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,982.40 : 1,271,572.65 = 493,105.20 : x
  2. Step 2: Convert to fraction form
    847,982.40/1,271,572.65 = 493,105.20/x
  3. Step 3: Cross multiply
    847,982.40x = 1,271,572.65 × 493,105.20
  4. Step 4: Simplify right side
    847,982.40x = 627,019,085,892.78
  5. Step 5: Solve for x
    x = 627,019,085,892.78/847,982.40
  6. Step 6: Final answer
    x = 739,424.65

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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.