Home / 703,981.71-1,054,222.94-644,254.71

Finding the Fourth Proportional to 703,981.71, 1,054,222.94 and 644,254.71

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Solution

The fourth proportional to 703,981.71, 1,054,222.94 and 644,254.71 is: 964,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,981.71 : 1,054,222.94 = 644,254.71 : x
  2. Step 2: Convert to fraction form
    703,981.71/1,054,222.94 = 644,254.71/x
  3. Step 3: Cross multiply
    703,981.71x = 1,054,222.94 × 644,254.71
  4. Step 4: Simplify right side
    703,981.71x = 679,188,091,263.77
  5. Step 5: Solve for x
    x = 679,188,091,263.77/703,981.71
  6. Step 6: Final answer
    x = 964,780.88

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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.