Home / 754,074.48-1,040,642.64-409,933.52

Finding the Fourth Proportional to 754,074.48, 1,040,642.64 and 409,933.52

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Solution

The fourth proportional to 754,074.48, 1,040,642.64 and 409,933.52 is: 565,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,074.48 : 1,040,642.64 = 409,933.52 : x
  2. Step 2: Convert to fraction form
    754,074.48/1,040,642.64 = 409,933.52/x
  3. Step 3: Cross multiply
    754,074.48x = 1,040,642.64 × 409,933.52
  4. Step 4: Simplify right side
    754,074.48x = 426,594,300,477.29
  5. Step 5: Solve for x
    x = 426,594,300,477.29/754,074.48
  6. Step 6: Final answer
    x = 565,719.05

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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.