Home / 850,828.65-1,275,470.52-424,494.87

Finding the Fourth Proportional to 850,828.65, 1,275,470.52 and 424,494.87

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Solution

The fourth proportional to 850,828.65, 1,275,470.52 and 424,494.87 is: 636,356.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,828.65 : 1,275,470.52 = 424,494.87 : x
  2. Step 2: Convert to fraction form
    850,828.65/1,275,470.52 = 424,494.87/x
  3. Step 3: Cross multiply
    850,828.65x = 1,275,470.52 × 424,494.87
  4. Step 4: Simplify right side
    850,828.65x = 541,430,692,576.23
  5. Step 5: Solve for x
    x = 541,430,692,576.23/850,828.65
  6. Step 6: Final answer
    x = 636,356.91

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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.