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Finding the Fourth Proportional to 490,580.20, 736,907.10 and 472,954.60

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Solution

The fourth proportional to 490,580.20, 736,907.10 and 472,954.60 is: 710,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,580.20 : 736,907.10 = 472,954.60 : x
  2. Step 2: Convert to fraction form
    490,580.20/736,907.10 = 472,954.60/x
  3. Step 3: Cross multiply
    490,580.20x = 736,907.10 × 472,954.60
  4. Step 4: Simplify right side
    490,580.20x = 348,523,602,717.66
  5. Step 5: Solve for x
    x = 348,523,602,717.66/490,580.20
  6. Step 6: Final answer
    x = 710,431.45

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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.