Home / 993,459-1,370,979.90-540,753.24

Finding the Fourth Proportional to 993,459, 1,370,979.90 and 540,753.24

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Solution

The fourth proportional to 993,459, 1,370,979.90 and 540,753.24 is: 746,243.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,459 : 1,370,979.90 = 540,753.24 : x
  2. Step 2: Convert to fraction form
    993,459/1,370,979.90 = 540,753.24/x
  3. Step 3: Cross multiply
    993,459x = 1,370,979.90 × 540,753.24
  4. Step 4: Simplify right side
    993,459x = 741,361,822,899.88
  5. Step 5: Solve for x
    x = 741,361,822,899.88/993,459
  6. Step 6: Final answer
    x = 746,243.00

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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.