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Finding the Fourth Proportional to 634,326.33, 875,382.35 and 347,829.33

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Solution

The fourth proportional to 634,326.33, 875,382.35 and 347,829.33 is: 480,011.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,326.33 : 875,382.35 = 347,829.33 : x
  2. Step 2: Convert to fraction form
    634,326.33/875,382.35 = 347,829.33/x
  3. Step 3: Cross multiply
    634,326.33x = 875,382.35 × 347,829.33
  4. Step 4: Simplify right side
    634,326.33x = 304,483,656,294.33
  5. Step 5: Solve for x
    x = 304,483,656,294.33/634,326.33
  6. Step 6: Final answer
    x = 480,011.06

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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.