Home / 634,893.14-876,177.78-348,423.56

Finding the Fourth Proportional to 634,893.14, 876,177.78 and 348,423.56

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Solution

The fourth proportional to 634,893.14, 876,177.78 and 348,423.56 is: 480,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,893.14 : 876,177.78 = 348,423.56 : x
  2. Step 2: Convert to fraction form
    634,893.14/876,177.78 = 348,423.56/x
  3. Step 3: Cross multiply
    634,893.14x = 876,177.78 × 348,423.56
  4. Step 4: Simplify right side
    634,893.14x = 305,280,981,300.50
  5. Step 5: Solve for x
    x = 305,280,981,300.50/634,893.14
  6. Step 6: Final answer
    x = 480,838.37

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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.