Home / 858,577.82-1,286,655.95-474,499.64

Finding the Fourth Proportional to 858,577.82, 1,286,655.95 and 474,499.64

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Solution

The fourth proportional to 858,577.82, 1,286,655.95 and 474,499.64 is: 711,080.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,577.82 : 1,286,655.95 = 474,499.64 : x
  2. Step 2: Convert to fraction form
    858,577.82/1,286,655.95 = 474,499.64/x
  3. Step 3: Cross multiply
    858,577.82x = 1,286,655.95 × 474,499.64
  4. Step 4: Simplify right side
    858,577.82x = 610,517,776,273.08
  5. Step 5: Solve for x
    x = 610,517,776,273.08/858,577.82
  6. Step 6: Final answer
    x = 711,080.31

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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.