Home / 979,425.38-1,465,988.67-505,465.22

Finding the Fourth Proportional to 979,425.38, 1,465,988.67 and 505,465.22

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Solution

The fourth proportional to 979,425.38, 1,465,988.67 and 505,465.22 is: 756,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,425.38 : 1,465,988.67 = 505,465.22 : x
  2. Step 2: Convert to fraction form
    979,425.38/1,465,988.67 = 505,465.22/x
  3. Step 3: Cross multiply
    979,425.38x = 1,465,988.67 × 505,465.22
  4. Step 4: Simplify right side
    979,425.38x = 741,006,285,599.06
  5. Step 5: Solve for x
    x = 741,006,285,599.06/979,425.38
  6. Step 6: Final answer
    x = 756,572.48

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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.