Home / 674,412.80-1,011,489.60-201,113.60

Finding the Fourth Proportional to 674,412.80, 1,011,489.60 and 201,113.60

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Solution

The fourth proportional to 674,412.80, 1,011,489.60 and 201,113.60 is: 301,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,412.80 : 1,011,489.60 = 201,113.60 : x
  2. Step 2: Convert to fraction form
    674,412.80/1,011,489.60 = 201,113.60/x
  3. Step 3: Cross multiply
    674,412.80x = 1,011,489.60 × 201,113.60
  4. Step 4: Simplify right side
    674,412.80x = 203,424,314,818.56
  5. Step 5: Solve for x
    x = 203,424,314,818.56/674,412.80
  6. Step 6: Final answer
    x = 301,631.75

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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.