Home / 910,747.89-1,366,187.43-349,782.39

Finding the Fourth Proportional to 910,747.89, 1,366,187.43 and 349,782.39

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Solution

The fourth proportional to 910,747.89, 1,366,187.43 and 349,782.39 is: 524,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,747.89 : 1,366,187.43 = 349,782.39 : x
  2. Step 2: Convert to fraction form
    910,747.89/1,366,187.43 = 349,782.39/x
  3. Step 3: Cross multiply
    910,747.89x = 1,366,187.43 × 349,782.39
  4. Step 4: Simplify right side
    910,747.89x = 477,868,304,453.36
  5. Step 5: Solve for x
    x = 477,868,304,453.36/910,747.89
  6. Step 6: Final answer
    x = 524,698.78

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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.