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Finding the Fourth Proportional to 634,952.72, 876,245.32 and 348,499.44

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Solution

The fourth proportional to 634,952.72, 876,245.32 and 348,499.44 is: 480,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,952.72 : 876,245.32 = 348,499.44 : x
  2. Step 2: Convert to fraction form
    634,952.72/876,245.32 = 348,499.44/x
  3. Step 3: Cross multiply
    634,952.72x = 876,245.32 × 348,499.44
  4. Step 4: Simplify right side
    634,952.72x = 305,371,003,322.62
  5. Step 5: Solve for x
    x = 305,371,003,322.62/634,952.72
  6. Step 6: Final answer
    x = 480,935.03

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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.