Home / 863,009.47-1,191,463.94-767,251.67

Finding the Fourth Proportional to 863,009.47, 1,191,463.94 and 767,251.67

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Solution

The fourth proportional to 863,009.47, 1,191,463.94 and 767,251.67 is: 1,059,261.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,009.47 : 1,191,463.94 = 767,251.67 : x
  2. Step 2: Convert to fraction form
    863,009.47/1,191,463.94 = 767,251.67/x
  3. Step 3: Cross multiply
    863,009.47x = 1,191,463.94 × 767,251.67
  4. Step 4: Simplify right side
    863,009.47x = 914,152,696,852.18
  5. Step 5: Solve for x
    x = 914,152,696,852.18/863,009.47
  6. Step 6: Final answer
    x = 1,059,261.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.