Home / 665,747.55-998,599.46-266,281.11

Finding the Fourth Proportional to 665,747.55, 998,599.46 and 266,281.11

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Solution

The fourth proportional to 665,747.55, 998,599.46 and 266,281.11 is: 399,412.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,747.55 : 998,599.46 = 266,281.11 : x
  2. Step 2: Convert to fraction form
    665,747.55/998,599.46 = 266,281.11/x
  3. Step 3: Cross multiply
    665,747.55x = 998,599.46 × 266,281.11
  4. Step 4: Simplify right side
    665,747.55x = 265,908,171,322.80
  5. Step 5: Solve for x
    x = 265,908,171,322.80/665,747.55
  6. Step 6: Final answer
    x = 399,412.92

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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.