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Finding the Fourth Proportional to 598,912.60, 898,368.90 and 299,439.40

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Solution

The fourth proportional to 598,912.60, 898,368.90 and 299,439.40 is: 449,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,912.60 : 898,368.90 = 299,439.40 : x
  2. Step 2: Convert to fraction form
    598,912.60/898,368.90 = 299,439.40/x
  3. Step 3: Cross multiply
    598,912.60x = 898,368.90 × 299,439.40
  4. Step 4: Simplify right side
    598,912.60x = 269,007,044,394.66
  5. Step 5: Solve for x
    x = 269,007,044,394.66/598,912.60
  6. Step 6: Final answer
    x = 449,159.10

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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.