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Finding the Fourth Proportional to 480,915.60, 663,605.80 and 277,033.20

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Solution

The fourth proportional to 480,915.60, 663,605.80 and 277,033.20 is: 382,272.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,915.60 : 663,605.80 = 277,033.20 : x
  2. Step 2: Convert to fraction form
    480,915.60/663,605.80 = 277,033.20/x
  3. Step 3: Cross multiply
    480,915.60x = 663,605.80 × 277,033.20
  4. Step 4: Simplify right side
    480,915.60x = 183,840,838,312.56
  5. Step 5: Solve for x
    x = 183,840,838,312.56/480,915.60
  6. Step 6: Final answer
    x = 382,272.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.