Home / 754,131.42-1,040,674.77-414,597.06

Finding the Fourth Proportional to 754,131.42, 1,040,674.77 and 414,597.06

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Solution

The fourth proportional to 754,131.42, 1,040,674.77 and 414,597.06 is: 572,129.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,131.42 : 1,040,674.77 = 414,597.06 : x
  2. Step 2: Convert to fraction form
    754,131.42/1,040,674.77 = 414,597.06/x
  3. Step 3: Cross multiply
    754,131.42x = 1,040,674.77 × 414,597.06
  4. Step 4: Simplify right side
    754,131.42x = 431,460,700,058.18
  5. Step 5: Solve for x
    x = 431,460,700,058.18/754,131.42
  6. Step 6: Final answer
    x = 572,129.32

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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.