Home / 908,738.98-1,254,008.62-500,839.56

Finding the Fourth Proportional to 908,738.98, 1,254,008.62 and 500,839.56

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Solution

The fourth proportional to 908,738.98, 1,254,008.62 and 500,839.56 is: 691,130.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,738.98 : 1,254,008.62 = 500,839.56 : x
  2. Step 2: Convert to fraction form
    908,738.98/1,254,008.62 = 500,839.56/x
  3. Step 3: Cross multiply
    908,738.98x = 1,254,008.62 × 500,839.56
  4. Step 4: Simplify right side
    908,738.98x = 628,057,125,477.01
  5. Step 5: Solve for x
    x = 628,057,125,477.01/908,738.98
  6. Step 6: Final answer
    x = 691,130.39

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1.5x scale

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.