Home / 674,306.49-930,561.22-402,532.12

Finding the Fourth Proportional to 674,306.49, 930,561.22 and 402,532.12

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Solution

The fourth proportional to 674,306.49, 930,561.22 and 402,532.12 is: 555,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,306.49 : 930,561.22 = 402,532.12 : x
  2. Step 2: Convert to fraction form
    674,306.49/930,561.22 = 402,532.12/x
  3. Step 3: Cross multiply
    674,306.49x = 930,561.22 × 402,532.12
  4. Step 4: Simplify right side
    674,306.49x = 374,580,780,676.39
  5. Step 5: Solve for x
    x = 374,580,780,676.39/674,306.49
  6. Step 6: Final answer
    x = 555,505.23

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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.