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Finding the Fourth Proportional to 605,525.50, 907,609.34 and 245,612.72

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Solution

The fourth proportional to 605,525.50, 907,609.34 and 245,612.72 is: 368,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,525.50 : 907,609.34 = 245,612.72 : x
  2. Step 2: Convert to fraction form
    605,525.50/907,609.34 = 245,612.72/x
  3. Step 3: Cross multiply
    605,525.50x = 907,609.34 × 245,612.72
  4. Step 4: Simplify right side
    605,525.50x = 222,920,398,694.81
  5. Step 5: Solve for x
    x = 222,920,398,694.81/605,525.50
  6. Step 6: Final answer
    x = 368,143.70

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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.