Home / 722,718.48-1,085,070.78-367,970.88

Finding the Fourth Proportional to 722,718.48, 1,085,070.78 and 367,970.88

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Solution

The fourth proportional to 722,718.48, 1,085,070.78 and 367,970.88 is: 552,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,718.48 : 1,085,070.78 = 367,970.88 : x
  2. Step 2: Convert to fraction form
    722,718.48/1,085,070.78 = 367,970.88/x
  3. Step 3: Cross multiply
    722,718.48x = 1,085,070.78 × 367,970.88
  4. Step 4: Simplify right side
    722,718.48x = 399,274,449,778.89
  5. Step 5: Solve for x
    x = 399,274,449,778.89/722,718.48
  6. Step 6: Final answer
    x = 552,461.93

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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.