Home / 972,375.93-1,458,719.42-411,415.29

Finding the Fourth Proportional to 972,375.93, 1,458,719.42 and 411,415.29

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Solution

The fourth proportional to 972,375.93, 1,458,719.42 and 411,415.29 is: 617,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,375.93 : 1,458,719.42 = 411,415.29 : x
  2. Step 2: Convert to fraction form
    972,375.93/1,458,719.42 = 411,415.29/x
  3. Step 3: Cross multiply
    972,375.93x = 1,458,719.42 × 411,415.29
  4. Step 4: Simplify right side
    972,375.93x = 600,139,471,150.86
  5. Step 5: Solve for x
    x = 600,139,471,150.86/972,375.93
  6. Step 6: Final answer
    x = 617,188.74

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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.