Home / 842,706.44-1,264,185.53-310,186.98

Finding the Fourth Proportional to 842,706.44, 1,264,185.53 and 310,186.98

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Solution

The fourth proportional to 842,706.44, 1,264,185.53 and 310,186.98 is: 465,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,706.44 : 1,264,185.53 = 310,186.98 : x
  2. Step 2: Convert to fraction form
    842,706.44/1,264,185.53 = 310,186.98/x
  3. Step 3: Cross multiply
    842,706.44x = 1,264,185.53 × 310,186.98
  4. Step 4: Simplify right side
    842,706.44x = 392,133,890,159.47
  5. Step 5: Solve for x
    x = 392,133,890,159.47/842,706.44
  6. Step 6: Final answer
    x = 465,326.80

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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.