Home / 740,076.66-1,021,305.77-400,544.91

Finding the Fourth Proportional to 740,076.66, 1,021,305.77 and 400,544.91

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Solution

The fourth proportional to 740,076.66, 1,021,305.77 and 400,544.91 is: 552,751.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,076.66 : 1,021,305.77 = 400,544.91 : x
  2. Step 2: Convert to fraction form
    740,076.66/1,021,305.77 = 400,544.91/x
  3. Step 3: Cross multiply
    740,076.66x = 1,021,305.77 × 400,544.91
  4. Step 4: Simplify right side
    740,076.66x = 409,078,820,617.88
  5. Step 5: Solve for x
    x = 409,078,820,617.88/740,076.66
  6. Step 6: Final answer
    x = 552,751.96

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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.