Home / 777,779.64-1,165,837.46-555,489.72

Finding the Fourth Proportional to 777,779.64, 1,165,837.46 and 555,489.72

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Solution

The fourth proportional to 777,779.64, 1,165,837.46 and 555,489.72 is: 832,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,779.64 : 1,165,837.46 = 555,489.72 : x
  2. Step 2: Convert to fraction form
    777,779.64/1,165,837.46 = 555,489.72/x
  3. Step 3: Cross multiply
    777,779.64x = 1,165,837.46 × 555,489.72
  4. Step 4: Simplify right side
    777,779.64x = 647,610,724,220.91
  5. Step 5: Solve for x
    x = 647,610,724,220.91/777,779.64
  6. Step 6: Final answer
    x = 832,640.37

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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.