Home / 578,340.69-867,551.58-178,928.88

Finding the Fourth Proportional to 578,340.69, 867,551.58 and 178,928.88

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Solution

The fourth proportional to 578,340.69, 867,551.58 and 178,928.88 is: 268,405.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,340.69 : 867,551.58 = 178,928.88 : x
  2. Step 2: Convert to fraction form
    578,340.69/867,551.58 = 178,928.88/x
  3. Step 3: Cross multiply
    578,340.69x = 867,551.58 × 178,928.88
  4. Step 4: Simplify right side
    578,340.69x = 155,230,032,551.63
  5. Step 5: Solve for x
    x = 155,230,032,551.63/578,340.69
  6. Step 6: Final answer
    x = 268,405.86

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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.