Home / 719,089.76-1,079,046.78-292,546.87

Finding the Fourth Proportional to 719,089.76, 1,079,046.78 and 292,546.87

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Solution

The fourth proportional to 719,089.76, 1,079,046.78 and 292,546.87 is: 438,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,089.76 : 1,079,046.78 = 292,546.87 : x
  2. Step 2: Convert to fraction form
    719,089.76/1,079,046.78 = 292,546.87/x
  3. Step 3: Cross multiply
    719,089.76x = 1,079,046.78 × 292,546.87
  4. Step 4: Simplify right side
    719,089.76x = 315,671,758,072.58
  5. Step 5: Solve for x
    x = 315,671,758,072.58/719,089.76
  6. Step 6: Final answer
    x = 438,987.98

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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.