Home / 979,818.24-1,469,349.48-380,700.52

Finding the Fourth Proportional to 979,818.24, 1,469,349.48 and 380,700.52

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Solution

The fourth proportional to 979,818.24, 1,469,349.48 and 380,700.52 is: 570,903.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,818.24 : 1,469,349.48 = 380,700.52 : x
  2. Step 2: Convert to fraction form
    979,818.24/1,469,349.48 = 380,700.52/x
  3. Step 3: Cross multiply
    979,818.24x = 1,469,349.48 × 380,700.52
  4. Step 4: Simplify right side
    979,818.24x = 559,382,111,097.73
  5. Step 5: Solve for x
    x = 559,382,111,097.73/979,818.24
  6. Step 6: Final answer
    x = 570,903.96

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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.