Home / 908,809.98-1,254,212.55-500,911.26

Finding the Fourth Proportional to 908,809.98, 1,254,212.55 and 500,911.26

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Solution

The fourth proportional to 908,809.98, 1,254,212.55 and 500,911.26 is: 691,287.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,809.98 : 1,254,212.55 = 500,911.26 : x
  2. Step 2: Convert to fraction form
    908,809.98/1,254,212.55 = 500,911.26/x
  3. Step 3: Cross multiply
    908,809.98x = 1,254,212.55 × 500,911.26
  4. Step 4: Simplify right side
    908,809.98x = 628,249,188,728.31
  5. Step 5: Solve for x
    x = 628,249,188,728.31/908,809.98
  6. Step 6: Final answer
    x = 691,287.73

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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.