Home / 673,286.18-1,009,087.27-336,421.35

Finding the Fourth Proportional to 673,286.18, 1,009,087.27 and 336,421.35

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Solution

The fourth proportional to 673,286.18, 1,009,087.27 and 336,421.35 is: 504,211.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,286.18 : 1,009,087.27 = 336,421.35 : x
  2. Step 2: Convert to fraction form
    673,286.18/1,009,087.27 = 336,421.35/x
  3. Step 3: Cross multiply
    673,286.18x = 1,009,087.27 × 336,421.35
  4. Step 4: Simplify right side
    673,286.18x = 339,478,500,800.16
  5. Step 5: Solve for x
    x = 339,478,500,800.16/673,286.18
  6. Step 6: Final answer
    x = 504,211.30

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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.