Home / 654,619.44-903,336.12-364,223.28

Finding the Fourth Proportional to 654,619.44, 903,336.12 and 364,223.28

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Solution

The fourth proportional to 654,619.44, 903,336.12 and 364,223.28 is: 502,606.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,619.44 : 903,336.12 = 364,223.28 : x
  2. Step 2: Convert to fraction form
    654,619.44/903,336.12 = 364,223.28/x
  3. Step 3: Cross multiply
    654,619.44x = 903,336.12 × 364,223.28
  4. Step 4: Simplify right side
    654,619.44x = 329,016,044,568.87
  5. Step 5: Solve for x
    x = 329,016,044,568.87/654,619.44
  6. Step 6: Final answer
    x = 502,606.59

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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.