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Finding the Fourth Proportional to 515,021.10, 772,531.65 and 506,273.10

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Solution

The fourth proportional to 515,021.10, 772,531.65 and 506,273.10 is: 759,409.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,021.10 : 772,531.65 = 506,273.10 : x
  2. Step 2: Convert to fraction form
    515,021.10/772,531.65 = 506,273.10/x
  3. Step 3: Cross multiply
    515,021.10x = 772,531.65 × 506,273.10
  4. Step 4: Simplify right side
    515,021.10x = 391,111,993,293.62
  5. Step 5: Solve for x
    x = 391,111,993,293.62/515,021.10
  6. Step 6: Final answer
    x = 759,409.65

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Similar ratio
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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.