Home / 900,352.24-1,350,134.48-427,172.56

Finding the Fourth Proportional to 900,352.24, 1,350,134.48 and 427,172.56

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Solution

The fourth proportional to 900,352.24, 1,350,134.48 and 427,172.56 is: 640,571.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,352.24 : 1,350,134.48 = 427,172.56 : x
  2. Step 2: Convert to fraction form
    900,352.24/1,350,134.48 = 427,172.56/x
  3. Step 3: Cross multiply
    900,352.24x = 1,350,134.48 × 427,172.56
  4. Step 4: Simplify right side
    900,352.24x = 576,740,402,165.87
  5. Step 5: Solve for x
    x = 576,740,402,165.87/900,352.24
  6. Step 6: Final answer
    x = 640,571.96

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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.