Home / 926,941-1,279,178.58-503,005

Finding the Fourth Proportional to 926,941, 1,279,178.58 and 503,005

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Solution

The fourth proportional to 926,941, 1,279,178.58 and 503,005 is: 694,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,941 : 1,279,178.58 = 503,005 : x
  2. Step 2: Convert to fraction form
    926,941/1,279,178.58 = 503,005/x
  3. Step 3: Cross multiply
    926,941x = 1,279,178.58 × 503,005
  4. Step 4: Simplify right side
    926,941x = 643,433,221,632.90
  5. Step 5: Solve for x
    x = 643,433,221,632.90/926,941
  6. Step 6: Final answer
    x = 694,146.90

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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.