Home / 712,477.22-1,068,759.56-313,305.98

Finding the Fourth Proportional to 712,477.22, 1,068,759.56 and 313,305.98

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Solution

The fourth proportional to 712,477.22, 1,068,759.56 and 313,305.98 is: 469,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,477.22 : 1,068,759.56 = 313,305.98 : x
  2. Step 2: Convert to fraction form
    712,477.22/1,068,759.56 = 313,305.98/x
  3. Step 3: Cross multiply
    712,477.22x = 1,068,759.56 × 313,305.98
  4. Step 4: Simplify right side
    712,477.22x = 334,848,756,769.64
  5. Step 5: Solve for x
    x = 334,848,756,769.64/712,477.22
  6. Step 6: Final answer
    x = 469,978.20

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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.