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Finding the Fourth Proportional to 540,117.60, 809,787.60 and 303,532.80

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Solution

The fourth proportional to 540,117.60, 809,787.60 and 303,532.80 is: 455,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,117.60 : 809,787.60 = 303,532.80 : x
  2. Step 2: Convert to fraction form
    540,117.60/809,787.60 = 303,532.80/x
  3. Step 3: Cross multiply
    540,117.60x = 809,787.60 × 303,532.80
  4. Step 4: Simplify right side
    540,117.60x = 245,797,097,633.28
  5. Step 5: Solve for x
    x = 245,797,097,633.28/540,117.60
  6. Step 6: Final answer
    x = 455,080.70

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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.