Home / 979,826.05-1,352,125.20-550,124.29

Finding the Fourth Proportional to 979,826.05, 1,352,125.20 and 550,124.29

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Solution

The fourth proportional to 979,826.05, 1,352,125.20 and 550,124.29 is: 759,152.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,826.05 : 1,352,125.20 = 550,124.29 : x
  2. Step 2: Convert to fraction form
    979,826.05/1,352,125.20 = 550,124.29/x
  3. Step 3: Cross multiply
    979,826.05x = 1,352,125.20 × 550,124.29
  4. Step 4: Simplify right side
    979,826.05x = 743,836,915,641.11
  5. Step 5: Solve for x
    x = 743,836,915,641.11/979,826.05
  6. Step 6: Final answer
    x = 759,152.01

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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.