Home / 1,100,394.88-1,650,263.36-331,860.40

Finding the Fourth Proportional to 1,100,394.88, 1,650,263.36 and 331,860.40

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Solution

The fourth proportional to 1,100,394.88, 1,650,263.36 and 331,860.40 is: 497,691.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,394.88 : 1,650,263.36 = 331,860.40 : x
  2. Step 2: Convert to fraction form
    1,100,394.88/1,650,263.36 = 331,860.40/x
  3. Step 3: Cross multiply
    1,100,394.88x = 1,650,263.36 × 331,860.40
  4. Step 4: Simplify right side
    1,100,394.88x = 547,657,058,754.94
  5. Step 5: Solve for x
    x = 547,657,058,754.94/1,100,394.88
  6. Step 6: Final answer
    x = 497,691.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.