Home / 847,627.40-1,271,040.15-492,750.20

Finding the Fourth Proportional to 847,627.40, 1,271,040.15 and 492,750.20

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Solution

The fourth proportional to 847,627.40, 1,271,040.15 and 492,750.20 is: 738,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,627.40 : 1,271,040.15 = 492,750.20 : x
  2. Step 2: Convert to fraction form
    847,627.40/1,271,040.15 = 492,750.20/x
  3. Step 3: Cross multiply
    847,627.40x = 1,271,040.15 × 492,750.20
  4. Step 4: Simplify right side
    847,627.40x = 626,305,288,120.53
  5. Step 5: Solve for x
    x = 626,305,288,120.53/847,627.40
  6. Step 6: Final answer
    x = 738,892.22

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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.