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Finding the Fourth Proportional to 606,277.70, 909,416.55 and 472,433.30

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Solution

The fourth proportional to 606,277.70, 909,416.55 and 472,433.30 is: 708,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,277.70 : 909,416.55 = 472,433.30 : x
  2. Step 2: Convert to fraction form
    606,277.70/909,416.55 = 472,433.30/x
  3. Step 3: Cross multiply
    606,277.70x = 909,416.55 × 472,433.30
  4. Step 4: Simplify right side
    606,277.70x = 429,638,661,791.12
  5. Step 5: Solve for x
    x = 429,638,661,791.12/606,277.70
  6. Step 6: Final answer
    x = 708,649.95

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Double scale
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Similar ratio
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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.