Home / 778,532.36-1,167,382.33-399,298.36

Finding the Fourth Proportional to 778,532.36, 1,167,382.33 and 399,298.36

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Solution

The fourth proportional to 778,532.36, 1,167,382.33 and 399,298.36 is: 598,734.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,532.36 : 1,167,382.33 = 399,298.36 : x
  2. Step 2: Convert to fraction form
    778,532.36/1,167,382.33 = 399,298.36/x
  3. Step 3: Cross multiply
    778,532.36x = 1,167,382.33 × 399,298.36
  4. Step 4: Simplify right side
    778,532.36x = 466,133,848,134.12
  5. Step 5: Solve for x
    x = 466,133,848,134.12/778,532.36
  6. Step 6: Final answer
    x = 598,734.07

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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.