Home / 690,499.50-1,035,084.91-353,698.77

Finding the Fourth Proportional to 690,499.50, 1,035,084.91 and 353,698.77

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Solution

The fourth proportional to 690,499.50, 1,035,084.91 and 353,698.77 is: 530,207.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,499.50 : 1,035,084.91 = 353,698.77 : x
  2. Step 2: Convert to fraction form
    690,499.50/1,035,084.91 = 353,698.77/x
  3. Step 3: Cross multiply
    690,499.50x = 1,035,084.91 × 353,698.77
  4. Step 4: Simplify right side
    690,499.50x = 366,108,259,512.56
  5. Step 5: Solve for x
    x = 366,108,259,512.56/690,499.50
  6. Step 6: Final answer
    x = 530,207.86

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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.