Home / 578,809.25-867,877.35-219,007.85

Finding the Fourth Proportional to 578,809.25, 867,877.35 and 219,007.85

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Solution

The fourth proportional to 578,809.25, 867,877.35 and 219,007.85 is: 328,384.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,809.25 : 867,877.35 = 219,007.85 : x
  2. Step 2: Convert to fraction form
    578,809.25/867,877.35 = 219,007.85/x
  3. Step 3: Cross multiply
    578,809.25x = 867,877.35 × 219,007.85
  4. Step 4: Simplify right side
    578,809.25x = 190,071,952,487.20
  5. Step 5: Solve for x
    x = 190,071,952,487.20/578,809.25
  6. Step 6: Final answer
    x = 328,384.44

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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.