Home / 690,653.24-1,036,120.80-291,293.27

Finding the Fourth Proportional to 690,653.24, 1,036,120.80 and 291,293.27

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Solution

The fourth proportional to 690,653.24, 1,036,120.80 and 291,293.27 is: 436,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,653.24 : 1,036,120.80 = 291,293.27 : x
  2. Step 2: Convert to fraction form
    690,653.24/1,036,120.80 = 291,293.27/x
  3. Step 3: Cross multiply
    690,653.24x = 1,036,120.80 × 291,293.27
  4. Step 4: Simplify right side
    690,653.24x = 301,815,015,947.02
  5. Step 5: Solve for x
    x = 301,815,015,947.02/690,653.24
  6. Step 6: Final answer
    x = 436,999.35

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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.