Home / 634,475.16-875,648.88-379,826.28

Finding the Fourth Proportional to 634,475.16, 875,648.88 and 379,826.28

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Solution

The fourth proportional to 634,475.16, 875,648.88 and 379,826.28 is: 524,204.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,475.16 : 875,648.88 = 379,826.28 : x
  2. Step 2: Convert to fraction form
    634,475.16/875,648.88 = 379,826.28/x
  3. Step 3: Cross multiply
    634,475.16x = 875,648.88 × 379,826.28
  4. Step 4: Simplify right side
    634,475.16x = 332,594,456,676.57
  5. Step 5: Solve for x
    x = 332,594,456,676.57/634,475.16
  6. Step 6: Final answer
    x = 524,204.06

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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.