Home / 742,319.74-1,114,266.98-657,481.34

Finding the Fourth Proportional to 742,319.74, 1,114,266.98 and 657,481.34

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Solution

The fourth proportional to 742,319.74, 1,114,266.98 and 657,481.34 is: 986,919.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,319.74 : 1,114,266.98 = 657,481.34 : x
  2. Step 2: Convert to fraction form
    742,319.74/1,114,266.98 = 657,481.34/x
  3. Step 3: Cross multiply
    742,319.74x = 1,114,266.98 × 657,481.34
  4. Step 4: Simplify right side
    742,319.74x = 732,609,741,591.44
  5. Step 5: Solve for x
    x = 732,609,741,591.44/742,319.74
  6. Step 6: Final answer
    x = 986,919.39

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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.