Home / 908,858.06-1,254,167.51-500,963.12

Finding the Fourth Proportional to 908,858.06, 1,254,167.51 and 500,963.12

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Solution

The fourth proportional to 908,858.06, 1,254,167.51 and 500,963.12 is: 691,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,858.06 : 1,254,167.51 = 500,963.12 : x
  2. Step 2: Convert to fraction form
    908,858.06/1,254,167.51 = 500,963.12/x
  3. Step 3: Cross multiply
    908,858.06x = 1,254,167.51 × 500,963.12
  4. Step 4: Simplify right side
    908,858.06x = 628,291,668,812.23
  5. Step 5: Solve for x
    x = 628,291,668,812.23/908,858.06
  6. Step 6: Final answer
    x = 691,297.90

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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.