Home / 658,975.34-987,334.32-359,665.76

Finding the Fourth Proportional to 658,975.34, 987,334.32 and 359,665.76

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Solution

The fourth proportional to 658,975.34, 987,334.32 and 359,665.76 is: 538,882.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,975.34 : 987,334.32 = 359,665.76 : x
  2. Step 2: Convert to fraction form
    658,975.34/987,334.32 = 359,665.76/x
  3. Step 3: Cross multiply
    658,975.34x = 987,334.32 × 359,665.76
  4. Step 4: Simplify right side
    658,975.34x = 355,110,348,576.88
  5. Step 5: Solve for x
    x = 355,110,348,576.88/658,975.34
  6. Step 6: Final answer
    x = 538,882.61

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1.5x scale

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.