Home / 901,353.70-1,243,781.76-538,705.36

Finding the Fourth Proportional to 901,353.70, 1,243,781.76 and 538,705.36

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Solution

The fourth proportional to 901,353.70, 1,243,781.76 and 538,705.36 is: 743,361.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,353.70 : 1,243,781.76 = 538,705.36 : x
  2. Step 2: Convert to fraction form
    901,353.70/1,243,781.76 = 538,705.36/x
  3. Step 3: Cross multiply
    901,353.70x = 1,243,781.76 × 538,705.36
  4. Step 4: Simplify right side
    901,353.70x = 670,031,900,782.23
  5. Step 5: Solve for x
    x = 670,031,900,782.23/901,353.70
  6. Step 6: Final answer
    x = 743,361.79

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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.