Home / 842,706.94-1,264,186.28-310,187.48

Finding the Fourth Proportional to 842,706.94, 1,264,186.28 and 310,187.48

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Solution

The fourth proportional to 842,706.94, 1,264,186.28 and 310,187.48 is: 465,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,706.94 : 1,264,186.28 = 310,187.48 : x
  2. Step 2: Convert to fraction form
    842,706.94/1,264,186.28 = 310,187.48/x
  3. Step 3: Cross multiply
    842,706.94x = 1,264,186.28 × 310,187.48
  4. Step 4: Simplify right side
    842,706.94x = 392,134,756,443.77
  5. Step 5: Solve for x
    x = 392,134,756,443.77/842,706.94
  6. Step 6: Final answer
    x = 465,327.55

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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.