Home / 740,110-1,021,351.80-400,581.04

Finding the Fourth Proportional to 740,110, 1,021,351.80 and 400,581.04

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Solution

The fourth proportional to 740,110, 1,021,351.80 and 400,581.04 is: 552,801.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,110 : 1,021,351.80 = 400,581.04 : x
  2. Step 2: Convert to fraction form
    740,110/1,021,351.80 = 400,581.04/x
  3. Step 3: Cross multiply
    740,110x = 1,021,351.80 × 400,581.04
  4. Step 4: Simplify right side
    740,110x = 409,134,166,249.87
  5. Step 5: Solve for x
    x = 409,134,166,249.87/740,110
  6. Step 6: Final answer
    x = 552,801.84

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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.