Home / 634,895.88-876,127.50-348,410.22

Finding the Fourth Proportional to 634,895.88, 876,127.50 and 348,410.22

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Solution

The fourth proportional to 634,895.88, 876,127.50 and 348,410.22 is: 480,790.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,895.88 : 876,127.50 = 348,410.22 : x
  2. Step 2: Convert to fraction form
    634,895.88/876,127.50 = 348,410.22/x
  3. Step 3: Cross multiply
    634,895.88x = 876,127.50 × 348,410.22
  4. Step 4: Simplify right side
    634,895.88x = 305,251,775,023.05
  5. Step 5: Solve for x
    x = 305,251,775,023.05/634,895.88
  6. Step 6: Final answer
    x = 480,790.29

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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.