Home / 926,945-1,279,184.10-503,009

Finding the Fourth Proportional to 926,945, 1,279,184.10 and 503,009

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Solution

The fourth proportional to 926,945, 1,279,184.10 and 503,009 is: 694,152.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,945 : 1,279,184.10 = 503,009 : x
  2. Step 2: Convert to fraction form
    926,945/1,279,184.10 = 503,009/x
  3. Step 3: Cross multiply
    926,945x = 1,279,184.10 × 503,009
  4. Step 4: Simplify right side
    926,945x = 643,441,114,956.90
  5. Step 5: Solve for x
    x = 643,441,114,956.90/926,945
  6. Step 6: Final answer
    x = 694,152.42

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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.