Home / 827,206.93-1,239,066.72-378,305.74

Finding the Fourth Proportional to 827,206.93, 1,239,066.72 and 378,305.74

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Solution

The fourth proportional to 827,206.93, 1,239,066.72 and 378,305.74 is: 566,661.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,206.93 : 1,239,066.72 = 378,305.74 : x
  2. Step 2: Convert to fraction form
    827,206.93/1,239,066.72 = 378,305.74/x
  3. Step 3: Cross multiply
    827,206.93x = 1,239,066.72 × 378,305.74
  4. Step 4: Simplify right side
    827,206.93x = 468,746,053,967.81
  5. Step 5: Solve for x
    x = 468,746,053,967.81/827,206.93
  6. Step 6: Final answer
    x = 566,661.18

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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.