Home / 693,477.05-1,039,800.44-288,180.48

Finding the Fourth Proportional to 693,477.05, 1,039,800.44 and 288,180.48

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Solution

The fourth proportional to 693,477.05, 1,039,800.44 and 288,180.48 is: 432,098.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,477.05 : 1,039,800.44 = 288,180.48 : x
  2. Step 2: Convert to fraction form
    693,477.05/1,039,800.44 = 288,180.48/x
  3. Step 3: Cross multiply
    693,477.05x = 1,039,800.44 × 288,180.48
  4. Step 4: Simplify right side
    693,477.05x = 299,650,194,523.11
  5. Step 5: Solve for x
    x = 299,650,194,523.11/693,477.05
  6. Step 6: Final answer
    x = 432,098.22

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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.