Home / 908,948.20-1,254,292.16-501,028.96

Finding the Fourth Proportional to 908,948.20, 1,254,292.16 and 501,028.96

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Solution

The fourth proportional to 908,948.20, 1,254,292.16 and 501,028.96 is: 691,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,948.20 : 1,254,292.16 = 501,028.96 : x
  2. Step 2: Convert to fraction form
    908,948.20/1,254,292.16 = 501,028.96/x
  3. Step 3: Cross multiply
    908,948.20x = 1,254,292.16 × 501,028.96
  4. Step 4: Simplify right side
    908,948.20x = 628,436,696,460.95
  5. Step 5: Solve for x
    x = 628,436,696,460.95/908,948.20
  6. Step 6: Final answer
    x = 691,388.90

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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.