Home / 634,881.57-876,093.43-348,420.11

Finding the Fourth Proportional to 634,881.57, 876,093.43 and 348,420.11

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Solution

The fourth proportional to 634,881.57, 876,093.43 and 348,420.11 is: 480,796.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,881.57 : 876,093.43 = 348,420.11 : x
  2. Step 2: Convert to fraction form
    634,881.57/876,093.43 = 348,420.11/x
  3. Step 3: Cross multiply
    634,881.57x = 876,093.43 × 348,420.11
  4. Step 4: Simplify right side
    634,881.57x = 305,248,569,250.88
  5. Step 5: Solve for x
    x = 305,248,569,250.88/634,881.57
  6. Step 6: Final answer
    x = 480,796.08

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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.