Home / 917,449.45-1,266,072.76-503,993.15

Finding the Fourth Proportional to 917,449.45, 1,266,072.76 and 503,993.15

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Solution

The fourth proportional to 917,449.45, 1,266,072.76 and 503,993.15 is: 695,506.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,449.45 : 1,266,072.76 = 503,993.15 : x
  2. Step 2: Convert to fraction form
    917,449.45/1,266,072.76 = 503,993.15/x
  3. Step 3: Cross multiply
    917,449.45x = 1,266,072.76 × 503,993.15
  4. Step 4: Simplify right side
    917,449.45x = 638,091,994,016.43
  5. Step 5: Solve for x
    x = 638,091,994,016.43/917,449.45
  6. Step 6: Final answer
    x = 695,506.43

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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.