Home / 979,570.20-1,468,787.80-379,829.19

Finding the Fourth Proportional to 979,570.20, 1,468,787.80 and 379,829.19

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Solution

The fourth proportional to 979,570.20, 1,468,787.80 and 379,829.19 is: 569,523.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,570.20 : 1,468,787.80 = 379,829.19 : x
  2. Step 2: Convert to fraction form
    979,570.20/1,468,787.80 = 379,829.19/x
  3. Step 3: Cross multiply
    979,570.20x = 1,468,787.80 × 379,829.19
  4. Step 4: Simplify right side
    979,570.20x = 557,888,480,355.88
  5. Step 5: Solve for x
    x = 557,888,480,355.88/979,570.20
  6. Step 6: Final answer
    x = 569,523.74

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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.