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Finding the Fourth Proportional to 598,315.80, 897,911.10 and 398,569.80

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Solution

The fourth proportional to 598,315.80, 897,911.10 and 398,569.80 is: 598,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,315.80 : 897,911.10 = 398,569.80 : x
  2. Step 2: Convert to fraction form
    598,315.80/897,911.10 = 398,569.80/x
  3. Step 3: Cross multiply
    598,315.80x = 897,911.10 × 398,569.80
  4. Step 4: Simplify right side
    598,315.80x = 357,880,247,544.78
  5. Step 5: Solve for x
    x = 357,880,247,544.78/598,315.80
  6. Step 6: Final answer
    x = 598,146.08

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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.