Home / 776,953.56-1,072,277.82-454,767.96

Finding the Fourth Proportional to 776,953.56, 1,072,277.82 and 454,767.96

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Solution

The fourth proportional to 776,953.56, 1,072,277.82 and 454,767.96 is: 627,627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,953.56 : 1,072,277.82 = 454,767.96 : x
  2. Step 2: Convert to fraction form
    776,953.56/1,072,277.82 = 454,767.96/x
  3. Step 3: Cross multiply
    776,953.56x = 1,072,277.82 × 454,767.96
  4. Step 4: Simplify right side
    776,953.56x = 487,637,596,754.65
  5. Step 5: Solve for x
    x = 487,637,596,754.65/776,953.56
  6. Step 6: Final answer
    x = 627,627.73

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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.