Home / 673,384.60-1,008,764.70-406,351.90

Finding the Fourth Proportional to 673,384.60, 1,008,764.70 and 406,351.90

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Solution

The fourth proportional to 673,384.60, 1,008,764.70 and 406,351.90 is: 608,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,384.60 : 1,008,764.70 = 406,351.90 : x
  2. Step 2: Convert to fraction form
    673,384.60/1,008,764.70 = 406,351.90/x
  3. Step 3: Cross multiply
    673,384.60x = 1,008,764.70 × 406,351.90
  4. Step 4: Simplify right side
    673,384.60x = 409,913,452,497.93
  5. Step 5: Solve for x
    x = 409,913,452,497.93/673,384.60
  6. Step 6: Final answer
    x = 608,736.01

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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.