Home / 664,733.40-918,531.60-473,414.64

Finding the Fourth Proportional to 664,733.40, 918,531.60 and 473,414.64

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Solution

The fourth proportional to 664,733.40, 918,531.60 and 473,414.64 is: 654,166.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,733.40 : 918,531.60 = 473,414.64 : x
  2. Step 2: Convert to fraction form
    664,733.40/918,531.60 = 473,414.64/x
  3. Step 3: Cross multiply
    664,733.40x = 918,531.60 × 473,414.64
  4. Step 4: Simplify right side
    664,733.40x = 434,846,306,742.62
  5. Step 5: Solve for x
    x = 434,846,306,742.62/664,733.40
  6. Step 6: Final answer
    x = 654,166.48

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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.