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Finding the Fourth Proportional to 598,416.80, 898,208.40 and 299,235.20

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Solution

The fourth proportional to 598,416.80, 898,208.40 and 299,235.20 is: 449,144.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,416.80 : 898,208.40 = 299,235.20 : x
  2. Step 2: Convert to fraction form
    598,416.80/898,208.40 = 299,235.20/x
  3. Step 3: Cross multiply
    598,416.80x = 898,208.40 × 299,235.20
  4. Step 4: Simplify right side
    598,416.80x = 268,775,570,215.68
  5. Step 5: Solve for x
    x = 268,775,570,215.68/598,416.80
  6. Step 6: Final answer
    x = 449,144.43

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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.