Home / 658,031.40-908,086.23-356,225.40

Finding the Fourth Proportional to 658,031.40, 908,086.23 and 356,225.40

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Solution

The fourth proportional to 658,031.40, 908,086.23 and 356,225.40 is: 491,592.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,031.40 : 908,086.23 = 356,225.40 : x
  2. Step 2: Convert to fraction form
    658,031.40/908,086.23 = 356,225.40/x
  3. Step 3: Cross multiply
    658,031.40x = 908,086.23 × 356,225.40
  4. Step 4: Simplify right side
    658,031.40x = 323,483,380,516.24
  5. Step 5: Solve for x
    x = 323,483,380,516.24/658,031.40
  6. Step 6: Final answer
    x = 491,592.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.