Home / 782,293.31-1,173,428.33-213,673.46

Finding the Fourth Proportional to 782,293.31, 1,173,428.33 and 213,673.46

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Solution

The fourth proportional to 782,293.31, 1,173,428.33 and 213,673.46 is: 320,507.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,293.31 : 1,173,428.33 = 213,673.46 : x
  2. Step 2: Convert to fraction form
    782,293.31/1,173,428.33 = 213,673.46/x
  3. Step 3: Cross multiply
    782,293.31x = 1,173,428.33 × 213,673.46
  4. Step 4: Simplify right side
    782,293.31x = 250,730,486,000.16
  5. Step 5: Solve for x
    x = 250,730,486,000.16/782,293.31
  6. Step 6: Final answer
    x = 320,507.01

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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.