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Finding the Fourth Proportional to 814,010, 1,123,333.80 and 451,489.38

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Solution

The fourth proportional to 814,010, 1,123,333.80 and 451,489.38 is: 623,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,010 : 1,123,333.80 = 451,489.38 : x
  2. Step 2: Convert to fraction form
    814,010/1,123,333.80 = 451,489.38/x
  3. Step 3: Cross multiply
    814,010x = 1,123,333.80 × 451,489.38
  4. Step 4: Simplify right side
    814,010x = 507,173,280,895.04
  5. Step 5: Solve for x
    x = 507,173,280,895.04/814,010
  6. Step 6: Final answer
    x = 623,055.34

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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.