Home / 979,308.20-1,467,810.30-558,981.80

Finding the Fourth Proportional to 979,308.20, 1,467,810.30 and 558,981.80

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Solution

The fourth proportional to 979,308.20, 1,467,810.30 and 558,981.80 is: 837,815.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,308.20 : 1,467,810.30 = 558,981.80 : x
  2. Step 2: Convert to fraction form
    979,308.20/1,467,810.30 = 558,981.80/x
  3. Step 3: Cross multiply
    979,308.20x = 1,467,810.30 × 558,981.80
  4. Step 4: Simplify right side
    979,308.20x = 820,479,243,552.54
  5. Step 5: Solve for x
    x = 820,479,243,552.54/979,308.20
  6. Step 6: Final answer
    x = 837,815.15

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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.