Home / 776,813.90-1,164,754.28-303,722.06

Finding the Fourth Proportional to 776,813.90, 1,164,754.28 and 303,722.06

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Solution

The fourth proportional to 776,813.90, 1,164,754.28 and 303,722.06 is: 455,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,813.90 : 1,164,754.28 = 303,722.06 : x
  2. Step 2: Convert to fraction form
    776,813.90/1,164,754.28 = 303,722.06/x
  3. Step 3: Cross multiply
    776,813.90x = 1,164,754.28 × 303,722.06
  4. Step 4: Simplify right side
    776,813.90x = 353,761,564,250.95
  5. Step 5: Solve for x
    x = 353,761,564,250.95/776,813.90
  6. Step 6: Final answer
    x = 455,400.66

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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.