Home / 887,759.64-1,225,117.26-479,869.38

Finding the Fourth Proportional to 887,759.64, 1,225,117.26 and 479,869.38

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Solution

The fourth proportional to 887,759.64, 1,225,117.26 and 479,869.38 is: 662,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,759.64 : 1,225,117.26 = 479,869.38 : x
  2. Step 2: Convert to fraction form
    887,759.64/1,225,117.26 = 479,869.38/x
  3. Step 3: Cross multiply
    887,759.64x = 1,225,117.26 × 479,869.38
  4. Step 4: Simplify right side
    887,759.64x = 587,896,259,983.50
  5. Step 5: Solve for x
    x = 587,896,259,983.50/887,759.64
  6. Step 6: Final answer
    x = 662,224.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.