Home / 538,680.09-743,386.77-293,665.02

Finding the Fourth Proportional to 538,680.09, 743,386.77 and 293,665.02

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Solution

The fourth proportional to 538,680.09, 743,386.77 and 293,665.02 is: 405,262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,680.09 : 743,386.77 = 293,665.02 : x
  2. Step 2: Convert to fraction form
    538,680.09/743,386.77 = 293,665.02/x
  3. Step 3: Cross multiply
    538,680.09x = 743,386.77 × 293,665.02
  4. Step 4: Simplify right side
    538,680.09x = 218,306,686,228.69
  5. Step 5: Solve for x
    x = 218,306,686,228.69/538,680.09
  6. Step 6: Final answer
    x = 405,262.21

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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.