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Finding the Fourth Proportional to 500,244.51, 750,771.36 and 387,657.75

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Solution

The fourth proportional to 500,244.51, 750,771.36 and 387,657.75 is: 581,800.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,244.51 : 750,771.36 = 387,657.75 : x
  2. Step 2: Convert to fraction form
    500,244.51/750,771.36 = 387,657.75/x
  3. Step 3: Cross multiply
    500,244.51x = 750,771.36 × 387,657.75
  4. Step 4: Simplify right side
    500,244.51x = 291,042,336,182.04
  5. Step 5: Solve for x
    x = 291,042,336,182.04/500,244.51
  6. Step 6: Final answer
    x = 581,800.16

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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.