Home / 694,530.60-1,039,722.30-413,903.40

Finding the Fourth Proportional to 694,530.60, 1,039,722.30 and 413,903.40

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Solution

The fourth proportional to 694,530.60, 1,039,722.30 and 413,903.40 is: 619,619.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,530.60 : 1,039,722.30 = 413,903.40 : x
  2. Step 2: Convert to fraction form
    694,530.60/1,039,722.30 = 413,903.40/x
  3. Step 3: Cross multiply
    694,530.60x = 1,039,722.30 × 413,903.40
  4. Step 4: Simplify right side
    694,530.60x = 430,344,595,025.82
  5. Step 5: Solve for x
    x = 430,344,595,025.82/694,530.60
  6. Step 6: Final answer
    x = 619,619.34

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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.