Home / 689,089.52-1,033,790.28-239,831.60

Finding the Fourth Proportional to 689,089.52, 1,033,790.28 and 239,831.60

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Solution

The fourth proportional to 689,089.52, 1,033,790.28 and 239,831.60 is: 359,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,089.52 : 1,033,790.28 = 239,831.60 : x
  2. Step 2: Convert to fraction form
    689,089.52/1,033,790.28 = 239,831.60/x
  3. Step 3: Cross multiply
    689,089.52x = 1,033,790.28 × 239,831.60
  4. Step 4: Simplify right side
    689,089.52x = 247,935,576,916.85
  5. Step 5: Solve for x
    x = 247,935,576,916.85/689,089.52
  6. Step 6: Final answer
    x = 359,801.69

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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.