Home / 634,135.83-875,079.90-379,627.35

Finding the Fourth Proportional to 634,135.83, 875,079.90 and 379,627.35

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Solution

The fourth proportional to 634,135.83, 875,079.90 and 379,627.35 is: 523,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,135.83 : 875,079.90 = 379,627.35 : x
  2. Step 2: Convert to fraction form
    634,135.83/875,079.90 = 379,627.35/x
  3. Step 3: Cross multiply
    634,135.83x = 875,079.90 × 379,627.35
  4. Step 4: Simplify right side
    634,135.83x = 332,204,263,475.27
  5. Step 5: Solve for x
    x = 332,204,263,475.27/634,135.83
  6. Step 6: Final answer
    x = 523,869.25

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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.