Home / 839,821.68-1,158,975.96-517,744.56

Finding the Fourth Proportional to 839,821.68, 1,158,975.96 and 517,744.56

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Solution

The fourth proportional to 839,821.68, 1,158,975.96 and 517,744.56 is: 714,501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,821.68 : 1,158,975.96 = 517,744.56 : x
  2. Step 2: Convert to fraction form
    839,821.68/1,158,975.96 = 517,744.56/x
  3. Step 3: Cross multiply
    839,821.68x = 1,158,975.96 × 517,744.56
  4. Step 4: Simplify right side
    839,821.68x = 600,053,498,460.78
  5. Step 5: Solve for x
    x = 600,053,498,460.78/839,821.68
  6. Step 6: Final answer
    x = 714,501.08

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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.