Home / 690,022.65-1,035,245.76-353,299.72

Finding the Fourth Proportional to 690,022.65, 1,035,245.76 and 353,299.72

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Solution

The fourth proportional to 690,022.65, 1,035,245.76 and 353,299.72 is: 530,058.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,022.65 : 1,035,245.76 = 353,299.72 : x
  2. Step 2: Convert to fraction form
    690,022.65/1,035,245.76 = 353,299.72/x
  3. Step 3: Cross multiply
    690,022.65x = 1,035,245.76 × 353,299.72
  4. Step 4: Simplify right side
    690,022.65x = 365,752,037,139.19
  5. Step 5: Solve for x
    x = 365,752,037,139.19/690,022.65
  6. Step 6: Final answer
    x = 530,058.02

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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.