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Finding the Fourth Proportional to 489,152.30, 733,728.45 and 453,722.90

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Solution

The fourth proportional to 489,152.30, 733,728.45 and 453,722.90 is: 680,584.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,152.30 : 733,728.45 = 453,722.90 : x
  2. Step 2: Convert to fraction form
    489,152.30/733,728.45 = 453,722.90/x
  3. Step 3: Cross multiply
    489,152.30x = 733,728.45 × 453,722.90
  4. Step 4: Simplify right side
    489,152.30x = 332,909,400,146.51
  5. Step 5: Solve for x
    x = 332,909,400,146.51/489,152.30
  6. Step 6: Final answer
    x = 680,584.35

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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.