Home / 428,099.10-590,643.77-246,787.91

Finding the Fourth Proportional to 428,099.10, 590,643.77 and 246,787.91

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Solution

The fourth proportional to 428,099.10, 590,643.77 and 246,787.91 is: 340,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,099.10 : 590,643.77 = 246,787.91 : x
  2. Step 2: Convert to fraction form
    428,099.10/590,643.77 = 246,787.91/x
  3. Step 3: Cross multiply
    428,099.10x = 590,643.77 × 246,787.91
  4. Step 4: Simplify right side
    428,099.10x = 145,763,744,985.22
  5. Step 5: Solve for x
    x = 145,763,744,985.22/428,099.10
  6. Step 6: Final answer
    x = 340,490.66

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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.