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Finding the Fourth Proportional to 606,502.65, 909,626.40 and 306,701.40

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Solution

The fourth proportional to 606,502.65, 909,626.40 and 306,701.40 is: 459,987.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,502.65 : 909,626.40 = 306,701.40 : x
  2. Step 2: Convert to fraction form
    606,502.65/909,626.40 = 306,701.40/x
  3. Step 3: Cross multiply
    606,502.65x = 909,626.40 × 306,701.40
  4. Step 4: Simplify right side
    606,502.65x = 278,983,690,356.96
  5. Step 5: Solve for x
    x = 278,983,690,356.96/606,502.65
  6. Step 6: Final answer
    x = 459,987.59

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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.