Home / 684,408.16-1,026,787.44-284,916.16

Finding the Fourth Proportional to 684,408.16, 1,026,787.44 and 284,916.16

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Solution

The fourth proportional to 684,408.16, 1,026,787.44 and 284,916.16 is: 427,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,408.16 : 1,026,787.44 = 284,916.16 : x
  2. Step 2: Convert to fraction form
    684,408.16/1,026,787.44 = 284,916.16/x
  3. Step 3: Cross multiply
    684,408.16x = 1,026,787.44 × 284,916.16
  4. Step 4: Simplify right side
    684,408.16x = 292,548,334,541.03
  5. Step 5: Solve for x
    x = 292,548,334,541.03/684,408.16
  6. Step 6: Final answer
    x = 427,447.18

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1.5x scale

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.