Home / 887,653.55-1,330,605.52-438,006.35

Finding the Fourth Proportional to 887,653.55, 1,330,605.52 and 438,006.35

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Solution

The fourth proportional to 887,653.55, 1,330,605.52 and 438,006.35 is: 656,577.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,653.55 : 1,330,605.52 = 438,006.35 : x
  2. Step 2: Convert to fraction form
    887,653.55/1,330,605.52 = 438,006.35/x
  3. Step 3: Cross multiply
    887,653.55x = 1,330,605.52 × 438,006.35
  4. Step 4: Simplify right side
    887,653.55x = 582,813,667,105.05
  5. Step 5: Solve for x
    x = 582,813,667,105.05/887,653.55
  6. Step 6: Final answer
    x = 656,577.86

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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.