Home / 763,293.89-1,145,023.89-283,465.42

Finding the Fourth Proportional to 763,293.89, 1,145,023.89 and 283,465.42

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Solution

The fourth proportional to 763,293.89, 1,145,023.89 and 283,465.42 is: 425,228.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,293.89 : 1,145,023.89 = 283,465.42 : x
  2. Step 2: Convert to fraction form
    763,293.89/1,145,023.89 = 283,465.42/x
  3. Step 3: Cross multiply
    763,293.89x = 1,145,023.89 × 283,465.42
  4. Step 4: Simplify right side
    763,293.89x = 324,574,673,963.33
  5. Step 5: Solve for x
    x = 324,574,673,963.33/763,293.89
  6. Step 6: Final answer
    x = 425,228.97

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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.