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Finding the Fourth Proportional to 540,024.80, 808,068.90 and 492,785.60

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Solution

The fourth proportional to 540,024.80, 808,068.90 and 492,785.60 is: 737,382.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,024.80 : 808,068.90 = 492,785.60 : x
  2. Step 2: Convert to fraction form
    540,024.80/808,068.90 = 492,785.60/x
  3. Step 3: Cross multiply
    540,024.80x = 808,068.90 × 492,785.60
  4. Step 4: Simplify right side
    540,024.80x = 398,204,717,727.84
  5. Step 5: Solve for x
    x = 398,204,717,727.84/540,024.80
  6. Step 6: Final answer
    x = 737,382.28

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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.