Home / 693,114.60-1,038,894.30-293,687.40

Finding the Fourth Proportional to 693,114.60, 1,038,894.30 and 293,687.40

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Solution

The fourth proportional to 693,114.60, 1,038,894.30 and 293,687.40 is: 440,201.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,114.60 : 1,038,894.30 = 293,687.40 : x
  2. Step 2: Convert to fraction form
    693,114.60/1,038,894.30 = 293,687.40/x
  3. Step 3: Cross multiply
    693,114.60x = 1,038,894.30 × 293,687.40
  4. Step 4: Simplify right side
    693,114.60x = 305,110,165,841.82
  5. Step 5: Solve for x
    x = 305,110,165,841.82/693,114.60
  6. Step 6: Final answer
    x = 440,201.61

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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.