Home / 979,569.20-1,468,786.30-379,828.19

Finding the Fourth Proportional to 979,569.20, 1,468,786.30 and 379,828.19

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Solution

The fourth proportional to 979,569.20, 1,468,786.30 and 379,828.19 is: 569,522.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,569.20 : 1,468,786.30 = 379,828.19 : x
  2. Step 2: Convert to fraction form
    979,569.20/1,468,786.30 = 379,828.19/x
  3. Step 3: Cross multiply
    979,569.20x = 1,468,786.30 × 379,828.19
  4. Step 4: Simplify right side
    979,569.20x = 557,886,444,548.19
  5. Step 5: Solve for x
    x = 557,886,444,548.19/979,569.20
  6. Step 6: Final answer
    x = 569,522.24

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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.