Home / 628,326.36-867,080.84-341,839.89

Finding the Fourth Proportional to 628,326.36, 867,080.84 and 341,839.89

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Solution

The fourth proportional to 628,326.36, 867,080.84 and 341,839.89 is: 471,733.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,326.36 : 867,080.84 = 341,839.89 : x
  2. Step 2: Convert to fraction form
    628,326.36/867,080.84 = 341,839.89/x
  3. Step 3: Cross multiply
    628,326.36x = 867,080.84 × 341,839.89
  4. Step 4: Simplify right side
    628,326.36x = 296,402,817,257.51
  5. Step 5: Solve for x
    x = 296,402,817,257.51/628,326.36
  6. Step 6: Final answer
    x = 471,733.86

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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.