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Finding the Fourth Proportional to 898,999.90, 1,349,265.30 and 366,902.80

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Solution

The fourth proportional to 898,999.90, 1,349,265.30 and 366,902.80 is: 550,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,999.90 : 1,349,265.30 = 366,902.80 : x
  2. Step 2: Convert to fraction form
    898,999.90/1,349,265.30 = 366,902.80/x
  3. Step 3: Cross multiply
    898,999.90x = 1,349,265.30 × 366,902.80
  4. Step 4: Simplify right side
    898,999.90x = 495,049,216,512.84
  5. Step 5: Solve for x
    x = 495,049,216,512.84/898,999.90
  6. Step 6: Final answer
    x = 550,666.60

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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.