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Finding the Fourth Proportional to 550,225.40, 825,338.10 and 417,365.15

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Solution

The fourth proportional to 550,225.40, 825,338.10 and 417,365.15 is: 626,047.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,225.40 : 825,338.10 = 417,365.15 : x
  2. Step 2: Convert to fraction form
    550,225.40/825,338.10 = 417,365.15/x
  3. Step 3: Cross multiply
    550,225.40x = 825,338.10 × 417,365.15
  4. Step 4: Simplify right side
    550,225.40x = 344,467,359,907.22
  5. Step 5: Solve for x
    x = 344,467,359,907.22/550,225.40
  6. Step 6: Final answer
    x = 626,047.73

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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.