Home / 674,491.20-1,011,713.40-169,056.60

Finding the Fourth Proportional to 674,491.20, 1,011,713.40 and 169,056.60

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Solution

The fourth proportional to 674,491.20, 1,011,713.40 and 169,056.60 is: 253,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,491.20 : 1,011,713.40 = 169,056.60 : x
  2. Step 2: Convert to fraction form
    674,491.20/1,011,713.40 = 169,056.60/x
  3. Step 3: Cross multiply
    674,491.20x = 1,011,713.40 × 169,056.60
  4. Step 4: Simplify right side
    674,491.20x = 171,036,827,578.44
  5. Step 5: Solve for x
    x = 171,036,827,578.44/674,491.20
  6. Step 6: Final answer
    x = 253,579.03

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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.