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Finding the Fourth Proportional to 600,684.59, 900,532.98 and 280,678.19

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Solution

The fourth proportional to 600,684.59, 900,532.98 and 280,678.19 is: 420,786.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,684.59 : 900,532.98 = 280,678.19 : x
  2. Step 2: Convert to fraction form
    600,684.59/900,532.98 = 280,678.19/x
  3. Step 3: Cross multiply
    600,684.59x = 900,532.98 × 280,678.19
  4. Step 4: Simplify right side
    600,684.59x = 252,759,962,359.04
  5. Step 5: Solve for x
    x = 252,759,962,359.04/600,684.59
  6. Step 6: Final answer
    x = 420,786.49

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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.