Home / 748,991.31-1,033,611.66-409,459.56

Finding the Fourth Proportional to 748,991.31, 1,033,611.66 and 409,459.56

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Solution

The fourth proportional to 748,991.31, 1,033,611.66 and 409,459.56 is: 565,056.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,991.31 : 1,033,611.66 = 409,459.56 : x
  2. Step 2: Convert to fraction form
    748,991.31/1,033,611.66 = 409,459.56/x
  3. Step 3: Cross multiply
    748,991.31x = 1,033,611.66 × 409,459.56
  4. Step 4: Simplify right side
    748,991.31x = 423,222,175,514.47
  5. Step 5: Solve for x
    x = 423,222,175,514.47/748,991.31
  6. Step 6: Final answer
    x = 565,056.19

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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.