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Finding the Fourth Proportional to 480,043.80, 720,065.70 and 303,334.20

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Solution

The fourth proportional to 480,043.80, 720,065.70 and 303,334.20 is: 455,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,043.80 : 720,065.70 = 303,334.20 : x
  2. Step 2: Convert to fraction form
    480,043.80/720,065.70 = 303,334.20/x
  3. Step 3: Cross multiply
    480,043.80x = 720,065.70 × 303,334.20
  4. Step 4: Simplify right side
    480,043.80x = 218,420,553,056.94
  5. Step 5: Solve for x
    x = 218,420,553,056.94/480,043.80
  6. Step 6: Final answer
    x = 455,001.30

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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.