Home / 902,923.20-1,353,947.40-503,139.60

Finding the Fourth Proportional to 902,923.20, 1,353,947.40 and 503,139.60

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Solution

The fourth proportional to 902,923.20, 1,353,947.40 and 503,139.60 is: 754,465.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,923.20 : 1,353,947.40 = 503,139.60 : x
  2. Step 2: Convert to fraction form
    902,923.20/1,353,947.40 = 503,139.60/x
  3. Step 3: Cross multiply
    902,923.20x = 1,353,947.40 × 503,139.60
  4. Step 4: Simplify right side
    902,923.20x = 681,224,553,257.04
  5. Step 5: Solve for x
    x = 681,224,553,257.04/902,923.20
  6. Step 6: Final answer
    x = 754,465.67

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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.