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Finding the Fourth Proportional to 606,503.15, 909,627.15 and 306,701.90

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Solution

The fourth proportional to 606,503.15, 909,627.15 and 306,701.90 is: 459,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,503.15 : 909,627.15 = 306,701.90 : x
  2. Step 2: Convert to fraction form
    606,503.15/909,627.15 = 306,701.90/x
  3. Step 3: Cross multiply
    606,503.15x = 909,627.15 × 306,701.90
  4. Step 4: Simplify right side
    606,503.15x = 278,984,375,196.59
  5. Step 5: Solve for x
    x = 278,984,375,196.59/606,503.15
  6. Step 6: Final answer
    x = 459,988.34

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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.