Home / 951,779.64-1,313,457.84-522,063.36

Finding the Fourth Proportional to 951,779.64, 1,313,457.84 and 522,063.36

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Solution

The fourth proportional to 951,779.64, 1,313,457.84 and 522,063.36 is: 720,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,779.64 : 1,313,457.84 = 522,063.36 : x
  2. Step 2: Convert to fraction form
    951,779.64/1,313,457.84 = 522,063.36/x
  3. Step 3: Cross multiply
    951,779.64x = 1,313,457.84 × 522,063.36
  4. Step 4: Simplify right side
    951,779.64x = 685,708,213,168.74
  5. Step 5: Solve for x
    x = 685,708,213,168.74/951,779.64
  6. Step 6: Final answer
    x = 720,448.50

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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.