Home / 768,438.24-1,152,749.28-235,889.28

Finding the Fourth Proportional to 768,438.24, 1,152,749.28 and 235,889.28

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Solution

The fourth proportional to 768,438.24, 1,152,749.28 and 235,889.28 is: 353,862.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,438.24 : 1,152,749.28 = 235,889.28 : x
  2. Step 2: Convert to fraction form
    768,438.24/1,152,749.28 = 235,889.28/x
  3. Step 3: Cross multiply
    768,438.24x = 1,152,749.28 × 235,889.28
  4. Step 4: Simplify right side
    768,438.24x = 271,921,197,679.72
  5. Step 5: Solve for x
    x = 271,921,197,679.72/768,438.24
  6. Step 6: Final answer
    x = 353,862.14

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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.