Home / 888,155.78-1,225,624.65-506,305.58

Finding the Fourth Proportional to 888,155.78, 1,225,624.65 and 506,305.58

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Solution

The fourth proportional to 888,155.78, 1,225,624.65 and 506,305.58 is: 698,684.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,155.78 : 1,225,624.65 = 506,305.58 : x
  2. Step 2: Convert to fraction form
    888,155.78/1,225,624.65 = 506,305.58/x
  3. Step 3: Cross multiply
    888,155.78x = 1,225,624.65 × 506,305.58
  4. Step 4: Simplify right side
    888,155.78x = 620,540,599,280.55
  5. Step 5: Solve for x
    x = 620,540,599,280.55/888,155.78
  6. Step 6: Final answer
    x = 698,684.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.