Home / 634,899.14-876,186.06-348,429.56

Finding the Fourth Proportional to 634,899.14, 876,186.06 and 348,429.56

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Solution

The fourth proportional to 634,899.14, 876,186.06 and 348,429.56 is: 480,846.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,899.14 : 876,186.06 = 348,429.56 : x
  2. Step 2: Convert to fraction form
    634,899.14/876,186.06 = 348,429.56/x
  3. Step 3: Cross multiply
    634,899.14x = 876,186.06 × 348,429.56
  4. Step 4: Simplify right side
    634,899.14x = 305,289,123,363.93
  5. Step 5: Solve for x
    x = 305,289,123,363.93/634,899.14
  6. Step 6: Final answer
    x = 480,846.65

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1.5x scale

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.