Home / 755,719.80-1,133,838.90-335,297.40

Finding the Fourth Proportional to 755,719.80, 1,133,838.90 and 335,297.40

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Solution

The fourth proportional to 755,719.80, 1,133,838.90 and 335,297.40 is: 503,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,719.80 : 1,133,838.90 = 335,297.40 : x
  2. Step 2: Convert to fraction form
    755,719.80/1,133,838.90 = 335,297.40/x
  3. Step 3: Cross multiply
    755,719.80x = 1,133,838.90 × 335,297.40
  4. Step 4: Simplify right side
    755,719.80x = 380,173,235,188.86
  5. Step 5: Solve for x
    x = 380,173,235,188.86/755,719.80
  6. Step 6: Final answer
    x = 503,061.10

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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.