Home / 723,373.58-998,311.96-401,146.46

Finding the Fourth Proportional to 723,373.58, 998,311.96 and 401,146.46

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Solution

The fourth proportional to 723,373.58, 998,311.96 and 401,146.46 is: 553,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,373.58 : 998,311.96 = 401,146.46 : x
  2. Step 2: Convert to fraction form
    723,373.58/998,311.96 = 401,146.46/x
  3. Step 3: Cross multiply
    723,373.58x = 998,311.96 × 401,146.46
  4. Step 4: Simplify right side
    723,373.58x = 400,469,308,729.66
  5. Step 5: Solve for x
    x = 400,469,308,729.66/723,373.58
  6. Step 6: Final answer
    x = 553,613.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.