Home / 684,408.66-1,026,788.19-284,916.66

Finding the Fourth Proportional to 684,408.66, 1,026,788.19 and 284,916.66

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Solution

The fourth proportional to 684,408.66, 1,026,788.19 and 284,916.66 is: 427,447.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,408.66 : 1,026,788.19 = 284,916.66 : x
  2. Step 2: Convert to fraction form
    684,408.66/1,026,788.19 = 284,916.66/x
  3. Step 3: Cross multiply
    684,408.66x = 1,026,788.19 × 284,916.66
  4. Step 4: Simplify right side
    684,408.66x = 292,549,061,622.25
  5. Step 5: Solve for x
    x = 292,549,061,622.25/684,408.66
  6. Step 6: Final answer
    x = 427,447.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.