Home / 757,429.34-1,135,343.30-330,590.92

Finding the Fourth Proportional to 757,429.34, 1,135,343.30 and 330,590.92

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Solution

The fourth proportional to 757,429.34, 1,135,343.30 and 330,590.92 is: 495,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,429.34 : 1,135,343.30 = 330,590.92 : x
  2. Step 2: Convert to fraction form
    757,429.34/1,135,343.30 = 330,590.92/x
  3. Step 3: Cross multiply
    757,429.34x = 1,135,343.30 × 330,590.92
  4. Step 4: Simplify right side
    757,429.34x = 375,334,186,062.84
  5. Step 5: Solve for x
    x = 375,334,186,062.84/757,429.34
  6. Step 6: Final answer
    x = 495,536.90

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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.