Home / 677,342.67-1,015,884.51-340,289.93

Finding the Fourth Proportional to 677,342.67, 1,015,884.51 and 340,289.93

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Solution

The fourth proportional to 677,342.67, 1,015,884.51 and 340,289.93 is: 510,369.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,342.67 : 1,015,884.51 = 340,289.93 : x
  2. Step 2: Convert to fraction form
    677,342.67/1,015,884.51 = 340,289.93/x
  3. Step 3: Cross multiply
    677,342.67x = 1,015,884.51 × 340,289.93
  4. Step 4: Simplify right side
    677,342.67x = 345,695,268,164.17
  5. Step 5: Solve for x
    x = 345,695,268,164.17/677,342.67
  6. Step 6: Final answer
    x = 510,369.83

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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.