Home / 930,422.88-1,284,014.52-522,596.64

Finding the Fourth Proportional to 930,422.88, 1,284,014.52 and 522,596.64

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Solution

The fourth proportional to 930,422.88, 1,284,014.52 and 522,596.64 is: 721,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,422.88 : 1,284,014.52 = 522,596.64 : x
  2. Step 2: Convert to fraction form
    930,422.88/1,284,014.52 = 522,596.64/x
  3. Step 3: Cross multiply
    930,422.88x = 1,284,014.52 × 522,596.64
  4. Step 4: Simplify right side
    930,422.88x = 671,021,673,863.21
  5. Step 5: Solve for x
    x = 671,021,673,863.21/930,422.88
  6. Step 6: Final answer
    x = 721,200.74

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Double scale
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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.