Home / 690,899.13-1,036,471.73-235,465.11

Finding the Fourth Proportional to 690,899.13, 1,036,471.73 and 235,465.11

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Solution

The fourth proportional to 690,899.13, 1,036,471.73 and 235,465.11 is: 353,239.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,899.13 : 1,036,471.73 = 235,465.11 : x
  2. Step 2: Convert to fraction form
    690,899.13/1,036,471.73 = 235,465.11/x
  3. Step 3: Cross multiply
    690,899.13x = 1,036,471.73 × 235,465.11
  4. Step 4: Simplify right side
    690,899.13x = 244,052,928,739.02
  5. Step 5: Solve for x
    x = 244,052,928,739.02/690,899.13
  6. Step 6: Final answer
    x = 353,239.59

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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.