Home / 831,366.48-1,147,595.90-647,240.22

Finding the Fourth Proportional to 831,366.48, 1,147,595.90 and 647,240.22

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Solution

The fourth proportional to 831,366.48, 1,147,595.90 and 647,240.22 is: 893,432.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,366.48 : 1,147,595.90 = 647,240.22 : x
  2. Step 2: Convert to fraction form
    831,366.48/1,147,595.90 = 647,240.22/x
  3. Step 3: Cross multiply
    831,366.48x = 1,147,595.90 × 647,240.22
  4. Step 4: Simplify right side
    831,366.48x = 742,770,223,191.62
  5. Step 5: Solve for x
    x = 742,770,223,191.62/831,366.48
  6. Step 6: Final answer
    x = 893,432.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.