Home / 910,853.80-1,365,768.70-349,906.60

Finding the Fourth Proportional to 910,853.80, 1,365,768.70 and 349,906.60

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Solution

The fourth proportional to 910,853.80, 1,365,768.70 and 349,906.60 is: 524,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,853.80 : 1,365,768.70 = 349,906.60 : x
  2. Step 2: Convert to fraction form
    910,853.80/1,365,768.70 = 349,906.60/x
  3. Step 3: Cross multiply
    910,853.80x = 1,365,768.70 × 349,906.60
  4. Step 4: Simplify right side
    910,853.80x = 477,891,482,203.42
  5. Step 5: Solve for x
    x = 477,891,482,203.42/910,853.80
  6. Step 6: Final answer
    x = 524,663.21

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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.