Home / 964,776.86-1,331,215.97-556,729.81

Finding the Fourth Proportional to 964,776.86, 1,331,215.97 and 556,729.81

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Solution

The fourth proportional to 964,776.86, 1,331,215.97 and 556,729.81 is: 768,185.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,776.86 : 1,331,215.97 = 556,729.81 : x
  2. Step 2: Convert to fraction form
    964,776.86/1,331,215.97 = 556,729.81/x
  3. Step 3: Cross multiply
    964,776.86x = 1,331,215.97 × 556,729.81
  4. Step 4: Simplify right side
    964,776.86x = 741,127,607,935.38
  5. Step 5: Solve for x
    x = 741,127,607,935.38/964,776.86
  6. Step 6: Final answer
    x = 768,185.51

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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.