Home / 893,237.62-1,339,103.30-387,417.80

Finding the Fourth Proportional to 893,237.62, 1,339,103.30 and 387,417.80

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Solution

The fourth proportional to 893,237.62, 1,339,103.30 and 387,417.80 is: 580,800.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,237.62 : 1,339,103.30 = 387,417.80 : x
  2. Step 2: Convert to fraction form
    893,237.62/1,339,103.30 = 387,417.80/x
  3. Step 3: Cross multiply
    893,237.62x = 1,339,103.30 × 387,417.80
  4. Step 4: Simplify right side
    893,237.62x = 518,792,454,458.74
  5. Step 5: Solve for x
    x = 518,792,454,458.74/893,237.62
  6. Step 6: Final answer
    x = 580,800.05

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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.