Home / 674,250.89-930,494.45-387,771.17

Finding the Fourth Proportional to 674,250.89, 930,494.45 and 387,771.17

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Solution

The fourth proportional to 674,250.89, 930,494.45 and 387,771.17 is: 535,140.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,250.89 : 930,494.45 = 387,771.17 : x
  2. Step 2: Convert to fraction form
    674,250.89/930,494.45 = 387,771.17/x
  3. Step 3: Cross multiply
    674,250.89x = 930,494.45 × 387,771.17
  4. Step 4: Simplify right side
    674,250.89x = 360,818,917,871.96
  5. Step 5: Solve for x
    x = 360,818,917,871.96/674,250.89
  6. Step 6: Final answer
    x = 535,140.44

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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.