Home / 777,828.81-1,073,022.22-519,769.10

Finding the Fourth Proportional to 777,828.81, 1,073,022.22 and 519,769.10

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Solution

The fourth proportional to 777,828.81, 1,073,022.22 and 519,769.10 is: 717,026.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,828.81 : 1,073,022.22 = 519,769.10 : x
  2. Step 2: Convert to fraction form
    777,828.81/1,073,022.22 = 519,769.10/x
  3. Step 3: Cross multiply
    777,828.81x = 1,073,022.22 × 519,769.10
  4. Step 4: Simplify right side
    777,828.81x = 557,723,796,901.67
  5. Step 5: Solve for x
    x = 557,723,796,901.67/777,828.81
  6. Step 6: Final answer
    x = 717,026.41

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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.