Home / 881,442.47-1,322,126.76-282,390.37

Finding the Fourth Proportional to 881,442.47, 1,322,126.76 and 282,390.37

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Solution

The fourth proportional to 881,442.47, 1,322,126.76 and 282,390.37 is: 423,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,442.47 : 1,322,126.76 = 282,390.37 : x
  2. Step 2: Convert to fraction form
    881,442.47/1,322,126.76 = 282,390.37/x
  3. Step 3: Cross multiply
    881,442.47x = 1,322,126.76 × 282,390.37
  4. Step 4: Simplify right side
    881,442.47x = 373,355,861,637.98
  5. Step 5: Solve for x
    x = 373,355,861,637.98/881,442.47
  6. Step 6: Final answer
    x = 423,573.71

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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.