Home / 693,020.28-1,039,677.30-219,643.32

Finding the Fourth Proportional to 693,020.28, 1,039,677.30 and 219,643.32

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Solution

The fourth proportional to 693,020.28, 1,039,677.30 and 219,643.32 is: 329,511.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,020.28 : 1,039,677.30 = 219,643.32 : x
  2. Step 2: Convert to fraction form
    693,020.28/1,039,677.30 = 219,643.32/x
  3. Step 3: Cross multiply
    693,020.28x = 1,039,677.30 × 219,643.32
  4. Step 4: Simplify right side
    693,020.28x = 228,358,173,900.64
  5. Step 5: Solve for x
    x = 228,358,173,900.64/693,020.28
  6. Step 6: Final answer
    x = 329,511.53

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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.