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Finding the Fourth Proportional to 332,522.80, 498,784.20 and 289,220.20

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Solution

The fourth proportional to 332,522.80, 498,784.20 and 289,220.20 is: 433,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,522.80 : 498,784.20 = 289,220.20 : x
  2. Step 2: Convert to fraction form
    332,522.80/498,784.20 = 289,220.20/x
  3. Step 3: Cross multiply
    332,522.80x = 498,784.20 × 289,220.20
  4. Step 4: Simplify right side
    332,522.80x = 144,258,466,080.84
  5. Step 5: Solve for x
    x = 144,258,466,080.84/332,522.80
  6. Step 6: Final answer
    x = 433,830.30

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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.