Home / 703,981.96-1,054,223.31-644,254.96

Finding the Fourth Proportional to 703,981.96, 1,054,223.31 and 644,254.96

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Solution

The fourth proportional to 703,981.96, 1,054,223.31 and 644,254.96 is: 964,781.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,981.96 : 1,054,223.31 = 644,254.96 : x
  2. Step 2: Convert to fraction form
    703,981.96/1,054,223.31 = 644,254.96/x
  3. Step 3: Cross multiply
    703,981.96x = 1,054,223.31 × 644,254.96
  4. Step 4: Simplify right side
    703,981.96x = 679,188,596,415.12
  5. Step 5: Solve for x
    x = 679,188,596,415.12/703,981.96
  6. Step 6: Final answer
    x = 964,781.25

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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.