Home / 690,748.65-1,036,233.72-291,448.27

Finding the Fourth Proportional to 690,748.65, 1,036,233.72 and 291,448.27

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Solution

The fourth proportional to 690,748.65, 1,036,233.72 and 291,448.27 is: 437,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,748.65 : 1,036,233.72 = 291,448.27 : x
  2. Step 2: Convert to fraction form
    690,748.65/1,036,233.72 = 291,448.27/x
  3. Step 3: Cross multiply
    690,748.65x = 1,036,233.72 × 291,448.27
  4. Step 4: Simplify right side
    690,748.65x = 302,008,525,009.66
  5. Step 5: Solve for x
    x = 302,008,525,009.66/690,748.65
  6. Step 6: Final answer
    x = 437,219.13

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1.5x scale

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.