Home / 454,330.50-626,980.36-250,388.76

Finding the Fourth Proportional to 454,330.50, 626,980.36 and 250,388.76

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Solution

The fourth proportional to 454,330.50, 626,980.36 and 250,388.76 is: 345,538.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,330.50 : 626,980.36 = 250,388.76 : x
  2. Step 2: Convert to fraction form
    454,330.50/626,980.36 = 250,388.76/x
  3. Step 3: Cross multiply
    454,330.50x = 626,980.36 × 250,388.76
  4. Step 4: Simplify right side
    454,330.50x = 156,988,834,884.75
  5. Step 5: Solve for x
    x = 156,988,834,884.75/454,330.50
  6. Step 6: Final answer
    x = 345,538.84

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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.