Home / 763,273.17-1,145,041.74-257,837.85

Finding the Fourth Proportional to 763,273.17, 1,145,041.74 and 257,837.85

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Solution

The fourth proportional to 763,273.17, 1,145,041.74 and 257,837.85 is: 386,801.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,273.17 : 1,145,041.74 = 257,837.85 : x
  2. Step 2: Convert to fraction form
    763,273.17/1,145,041.74 = 257,837.85/x
  3. Step 3: Cross multiply
    763,273.17x = 1,145,041.74 × 257,837.85
  4. Step 4: Simplify right side
    763,273.17x = 295,235,100,401.86
  5. Step 5: Solve for x
    x = 295,235,100,401.86/763,273.17
  6. Step 6: Final answer
    x = 386,801.36

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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.