Home / 908,869.60-1,254,189.36-500,891.68

Finding the Fourth Proportional to 908,869.60, 1,254,189.36 and 500,891.68

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Solution

The fourth proportional to 908,869.60, 1,254,189.36 and 500,891.68 is: 691,202.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,869.60 : 1,254,189.36 = 500,891.68 : x
  2. Step 2: Convert to fraction form
    908,869.60/1,254,189.36 = 500,891.68/x
  3. Step 3: Cross multiply
    908,869.60x = 1,254,189.36 × 500,891.68
  4. Step 4: Simplify right side
    908,869.60x = 628,213,015,568.53
  5. Step 5: Solve for x
    x = 628,213,015,568.53/908,869.60
  6. Step 6: Final answer
    x = 691,202.58

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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.