Home / 674,121.52-1,011,400.98-200,810.98

Finding the Fourth Proportional to 674,121.52, 1,011,400.98 and 200,810.98

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Solution

The fourth proportional to 674,121.52, 1,011,400.98 and 200,810.98 is: 301,281.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,121.52 : 1,011,400.98 = 200,810.98 : x
  2. Step 2: Convert to fraction form
    674,121.52/1,011,400.98 = 200,810.98/x
  3. Step 3: Cross multiply
    674,121.52x = 1,011,400.98 × 200,810.98
  4. Step 4: Simplify right side
    674,121.52x = 203,100,421,966.76
  5. Step 5: Solve for x
    x = 203,100,421,966.76/674,121.52
  6. Step 6: Final answer
    x = 301,281.62

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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.