Home / 489,243.40-733,865.10-173,732.20

Finding the Fourth Proportional to 489,243.40, 733,865.10 and 173,732.20

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Solution

The fourth proportional to 489,243.40, 733,865.10 and 173,732.20 is: 260,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,243.40 : 733,865.10 = 173,732.20 : x
  2. Step 2: Convert to fraction form
    489,243.40/733,865.10 = 173,732.20/x
  3. Step 3: Cross multiply
    489,243.40x = 733,865.10 × 173,732.20
  4. Step 4: Simplify right side
    489,243.40x = 127,495,998,326.22
  5. Step 5: Solve for x
    x = 127,495,998,326.22/489,243.40
  6. Step 6: Final answer
    x = 260,598.30

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Similar ratio
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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.