Home / 693,250.80-1,039,913.10-219,973.20

Finding the Fourth Proportional to 693,250.80, 1,039,913.10 and 219,973.20

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Solution

The fourth proportional to 693,250.80, 1,039,913.10 and 219,973.20 is: 329,971.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,250.80 : 1,039,913.10 = 219,973.20 : x
  2. Step 2: Convert to fraction form
    693,250.80/1,039,913.10 = 219,973.20/x
  3. Step 3: Cross multiply
    693,250.80x = 1,039,913.10 × 219,973.20
  4. Step 4: Simplify right side
    693,250.80x = 228,753,012,328.92
  5. Step 5: Solve for x
    x = 228,753,012,328.92/693,250.80
  6. Step 6: Final answer
    x = 329,971.51

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1.5x scale

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.