Home / 634,388.18-875,466.96-347,905.76

Finding the Fourth Proportional to 634,388.18, 875,466.96 and 347,905.76

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Solution

The fourth proportional to 634,388.18, 875,466.96 and 347,905.76 is: 480,116.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,388.18 : 875,466.96 = 347,905.76 : x
  2. Step 2: Convert to fraction form
    634,388.18/875,466.96 = 347,905.76/x
  3. Step 3: Cross multiply
    634,388.18x = 875,466.96 × 347,905.76
  4. Step 4: Simplify right side
    634,388.18x = 304,579,998,073.69
  5. Step 5: Solve for x
    x = 304,579,998,073.69/634,388.18
  6. Step 6: Final answer
    x = 480,116.13

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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.