Home / 841,072.76-1,261,548.12-328,641.57

Finding the Fourth Proportional to 841,072.76, 1,261,548.12 and 328,641.57

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Solution

The fourth proportional to 841,072.76, 1,261,548.12 and 328,641.57 is: 492,938.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,072.76 : 1,261,548.12 = 328,641.57 : x
  2. Step 2: Convert to fraction form
    841,072.76/1,261,548.12 = 328,641.57/x
  3. Step 3: Cross multiply
    841,072.76x = 1,261,548.12 × 328,641.57
  4. Step 4: Simplify right side
    841,072.76x = 414,597,148,479.61
  5. Step 5: Solve for x
    x = 414,597,148,479.61/841,072.76
  6. Step 6: Final answer
    x = 492,938.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.