Home / 634,933.56-876,225.36-348,463.80

Finding the Fourth Proportional to 634,933.56, 876,225.36 and 348,463.80

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Solution

The fourth proportional to 634,933.56, 876,225.36 and 348,463.80 is: 480,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,933.56 : 876,225.36 = 348,463.80 : x
  2. Step 2: Convert to fraction form
    634,933.56/876,225.36 = 348,463.80/x
  3. Step 3: Cross multiply
    634,933.56x = 876,225.36 × 348,463.80
  4. Step 4: Simplify right side
    634,933.56x = 305,332,818,601.97
  5. Step 5: Solve for x
    x = 305,332,818,601.97/634,933.56
  6. Step 6: Final answer
    x = 480,889.40

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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.