Home / 774,577.52-1,162,063.40-454,999.64

Finding the Fourth Proportional to 774,577.52, 1,162,063.40 and 454,999.64

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Solution

The fourth proportional to 774,577.52, 1,162,063.40 and 454,999.64 is: 682,615.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,577.52 : 1,162,063.40 = 454,999.64 : x
  2. Step 2: Convert to fraction form
    774,577.52/1,162,063.40 = 454,999.64/x
  3. Step 3: Cross multiply
    774,577.52x = 1,162,063.40 × 454,999.64
  4. Step 4: Simplify right side
    774,577.52x = 528,738,428,657.18
  5. Step 5: Solve for x
    x = 528,738,428,657.18/774,577.52
  6. Step 6: Final answer
    x = 682,615.25

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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.