Home / 538,870.35-743,659.02-293,868.51

Finding the Fourth Proportional to 538,870.35, 743,659.02 and 293,868.51

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Solution

The fourth proportional to 538,870.35, 743,659.02 and 293,868.51 is: 405,548.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,870.35 : 743,659.02 = 293,868.51 : x
  2. Step 2: Convert to fraction form
    538,870.35/743,659.02 = 293,868.51/x
  3. Step 3: Cross multiply
    538,870.35x = 743,659.02 × 293,868.51
  4. Step 4: Simplify right side
    538,870.35x = 218,537,968,155.46
  5. Step 5: Solve for x
    x = 218,537,968,155.46/538,870.35
  6. Step 6: Final answer
    x = 405,548.33

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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.