Home / 810,566.24-1,118,720.31-471,231.32

Finding the Fourth Proportional to 810,566.24, 1,118,720.31 and 471,231.32

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Solution

The fourth proportional to 810,566.24, 1,118,720.31 and 471,231.32 is: 650,379.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,566.24 : 1,118,720.31 = 471,231.32 : x
  2. Step 2: Convert to fraction form
    810,566.24/1,118,720.31 = 471,231.32/x
  3. Step 3: Cross multiply
    810,566.24x = 1,118,720.31 × 471,231.32
  4. Step 4: Simplify right side
    810,566.24x = 527,176,048,392.11
  5. Step 5: Solve for x
    x = 527,176,048,392.11/810,566.24
  6. Step 6: Final answer
    x = 650,379.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.