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Finding the Fourth Proportional to 609,217.74, 913,924.53 and 209,760.30

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Solution

The fourth proportional to 609,217.74, 913,924.53 and 209,760.30 is: 314,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,217.74 : 913,924.53 = 209,760.30 : x
  2. Step 2: Convert to fraction form
    609,217.74/913,924.53 = 209,760.30/x
  3. Step 3: Cross multiply
    609,217.74x = 913,924.53 × 209,760.30
  4. Step 4: Simplify right side
    609,217.74x = 191,705,083,590.16
  5. Step 5: Solve for x
    x = 191,705,083,590.16/609,217.74
  6. Step 6: Final answer
    x = 314,674.16

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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.