Home / 786,098.52-1,179,081.90-281,032.74

Finding the Fourth Proportional to 786,098.52, 1,179,081.90 and 281,032.74

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Solution

The fourth proportional to 786,098.52, 1,179,081.90 and 281,032.74 is: 421,525.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,098.52 : 1,179,081.90 = 281,032.74 : x
  2. Step 2: Convert to fraction form
    786,098.52/1,179,081.90 = 281,032.74/x
  3. Step 3: Cross multiply
    786,098.52x = 1,179,081.90 × 281,032.74
  4. Step 4: Simplify right side
    786,098.52x = 331,360,617,041.41
  5. Step 5: Solve for x
    x = 331,360,617,041.41/786,098.52
  6. Step 6: Final answer
    x = 421,525.56

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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.