Home / 693,145.89-1,039,710.60-219,835.35

Finding the Fourth Proportional to 693,145.89, 1,039,710.60 and 219,835.35

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Solution

The fourth proportional to 693,145.89, 1,039,710.60 and 219,835.35 is: 329,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,145.89 : 1,039,710.60 = 219,835.35 : x
  2. Step 2: Convert to fraction form
    693,145.89/1,039,710.60 = 219,835.35/x
  3. Step 3: Cross multiply
    693,145.89x = 1,039,710.60 × 219,835.35
  4. Step 4: Simplify right side
    693,145.89x = 228,565,143,649.71
  5. Step 5: Solve for x
    x = 228,565,143,649.71/693,145.89
  6. Step 6: Final answer
    x = 329,750.41

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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.