Home / 690,744.65-1,036,227.72-291,444.27

Finding the Fourth Proportional to 690,744.65, 1,036,227.72 and 291,444.27

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Solution

The fourth proportional to 690,744.65, 1,036,227.72 and 291,444.27 is: 437,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,744.65 : 1,036,227.72 = 291,444.27 : x
  2. Step 2: Convert to fraction form
    690,744.65/1,036,227.72 = 291,444.27/x
  3. Step 3: Cross multiply
    690,744.65x = 1,036,227.72 × 291,444.27
  4. Step 4: Simplify right side
    690,744.65x = 302,002,631,409.16
  5. Step 5: Solve for x
    x = 302,002,631,409.16/690,744.65
  6. Step 6: Final answer
    x = 437,213.13

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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.