Home / 757,932.52-1,045,947.06-418,401

Finding the Fourth Proportional to 757,932.52, 1,045,947.06 and 418,401

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Solution

The fourth proportional to 757,932.52, 1,045,947.06 and 418,401 is: 577,393.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,932.52 : 1,045,947.06 = 418,401 : x
  2. Step 2: Convert to fraction form
    757,932.52/1,045,947.06 = 418,401/x
  3. Step 3: Cross multiply
    757,932.52x = 1,045,947.06 × 418,401
  4. Step 4: Simplify right side
    757,932.52x = 437,625,295,851.06
  5. Step 5: Solve for x
    x = 437,625,295,851.06/757,932.52
  6. Step 6: Final answer
    x = 577,393.48

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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.