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Finding the Fourth Proportional to 634,846.67, 876,087.93 and 362,920.56

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Solution

The fourth proportional to 634,846.67, 876,087.93 and 362,920.56 is: 500,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,846.67 : 876,087.93 = 362,920.56 : x
  2. Step 2: Convert to fraction form
    634,846.67/876,087.93 = 362,920.56/x
  3. Step 3: Cross multiply
    634,846.67x = 876,087.93 × 362,920.56
  4. Step 4: Simplify right side
    634,846.67x = 317,950,322,164.84
  5. Step 5: Solve for x
    x = 317,950,322,164.84/634,846.67
  6. Step 6: Final answer
    x = 500,830.10

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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.