Home / 949,364.56-1,309,902.88-561,984.88

Finding the Fourth Proportional to 949,364.56, 1,309,902.88 and 561,984.88

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Solution

The fourth proportional to 949,364.56, 1,309,902.88 and 561,984.88 is: 775,408.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,364.56 : 1,309,902.88 = 561,984.88 : x
  2. Step 2: Convert to fraction form
    949,364.56/1,309,902.88 = 561,984.88/x
  3. Step 3: Cross multiply
    949,364.56x = 1,309,902.88 × 561,984.88
  4. Step 4: Simplify right side
    949,364.56x = 736,145,612,828.45
  5. Step 5: Solve for x
    x = 736,145,612,828.45/949,364.56
  6. Step 6: Final answer
    x = 775,408.78

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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.