Home / 674,239.75-1,011,398.50-253,519.27

Finding the Fourth Proportional to 674,239.75, 1,011,398.50 and 253,519.27

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Solution

The fourth proportional to 674,239.75, 1,011,398.50 and 253,519.27 is: 380,293.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,239.75 : 1,011,398.50 = 253,519.27 : x
  2. Step 2: Convert to fraction form
    674,239.75/1,011,398.50 = 253,519.27/x
  3. Step 3: Cross multiply
    674,239.75x = 1,011,398.50 × 253,519.27
  4. Step 4: Simplify right side
    674,239.75x = 256,409,007,187.50
  5. Step 5: Solve for x
    x = 256,409,007,187.50/674,239.75
  6. Step 6: Final answer
    x = 380,293.52

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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.