Home / 914,749.60-1,371,238.80-409,024.48

Finding the Fourth Proportional to 914,749.60, 1,371,238.80 and 409,024.48

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Solution

The fourth proportional to 914,749.60, 1,371,238.80 and 409,024.48 is: 613,140.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,749.60 : 1,371,238.80 = 409,024.48 : x
  2. Step 2: Convert to fraction form
    914,749.60/1,371,238.80 = 409,024.48/x
  3. Step 3: Cross multiply
    914,749.60x = 1,371,238.80 × 409,024.48
  4. Step 4: Simplify right side
    914,749.60x = 560,870,237,125.82
  5. Step 5: Solve for x
    x = 560,870,237,125.82/914,749.60
  6. Step 6: Final answer
    x = 613,140.73

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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.