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Finding the Fourth Proportional to 637,693.82, 880,079.63 and 476,268.62

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Solution

The fourth proportional to 637,693.82, 880,079.63 and 476,268.62 is: 657,297.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,693.82 : 880,079.63 = 476,268.62 : x
  2. Step 2: Convert to fraction form
    637,693.82/880,079.63 = 476,268.62/x
  3. Step 3: Cross multiply
    637,693.82x = 880,079.63 × 476,268.62
  4. Step 4: Simplify right side
    637,693.82x = 419,154,308,670.01
  5. Step 5: Solve for x
    x = 419,154,308,670.01/637,693.82
  6. Step 6: Final answer
    x = 657,297.12

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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.