Home / 674,487.24-930,890.34-402,566.64

Finding the Fourth Proportional to 674,487.24, 930,890.34 and 402,566.64

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Solution

The fourth proportional to 674,487.24, 930,890.34 and 402,566.64 is: 555,600.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,487.24 : 930,890.34 = 402,566.64 : x
  2. Step 2: Convert to fraction form
    674,487.24/930,890.34 = 402,566.64/x
  3. Step 3: Cross multiply
    674,487.24x = 930,890.34 × 402,566.64
  4. Step 4: Simplify right side
    674,487.24x = 374,745,396,382.26
  5. Step 5: Solve for x
    x = 374,745,396,382.26/674,487.24
  6. Step 6: Final answer
    x = 555,600.42

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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.