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Finding the Fourth Proportional to 634,250.40, 875,265.12 and 347,775.12

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Solution

The fourth proportional to 634,250.40, 875,265.12 and 347,775.12 is: 479,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,250.40 : 875,265.12 = 347,775.12 : x
  2. Step 2: Convert to fraction form
    634,250.40/875,265.12 = 347,775.12/x
  3. Step 3: Cross multiply
    634,250.40x = 875,265.12 × 347,775.12
  4. Step 4: Simplify right side
    634,250.40x = 304,395,432,139.81
  5. Step 5: Solve for x
    x = 304,395,432,139.81/634,250.40
  6. Step 6: Final answer
    x = 479,929.43

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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.