Home / 847,374.24-1,271,275.20-398,012.16

Finding the Fourth Proportional to 847,374.24, 1,271,275.20 and 398,012.16

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Solution

The fourth proportional to 847,374.24, 1,271,275.20 and 398,012.16 is: 597,118.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,374.24 : 1,271,275.20 = 398,012.16 : x
  2. Step 2: Convert to fraction form
    847,374.24/1,271,275.20 = 398,012.16/x
  3. Step 3: Cross multiply
    847,374.24x = 1,271,275.20 × 398,012.16
  4. Step 4: Simplify right side
    847,374.24x = 505,982,988,306.43
  5. Step 5: Solve for x
    x = 505,982,988,306.43/847,374.24
  6. Step 6: Final answer
    x = 597,118.68

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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.