Home / 703,983.71-1,054,225.94-644,256.71

Finding the Fourth Proportional to 703,983.71, 1,054,225.94 and 644,256.71

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Solution

The fourth proportional to 703,983.71, 1,054,225.94 and 644,256.71 is: 964,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,983.71 : 1,054,225.94 = 644,256.71 : x
  2. Step 2: Convert to fraction form
    703,983.71/1,054,225.94 = 644,256.71/x
  3. Step 3: Cross multiply
    703,983.71x = 1,054,225.94 × 644,256.71
  4. Step 4: Simplify right side
    703,983.71x = 679,192,132,479.77
  5. Step 5: Solve for x
    x = 679,192,132,479.77/703,983.71
  6. Step 6: Final answer
    x = 964,783.88

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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.