Home / 940,983.36-1,411,472.88-408,435.36

Finding the Fourth Proportional to 940,983.36, 1,411,472.88 and 408,435.36

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Solution

The fourth proportional to 940,983.36, 1,411,472.88 and 408,435.36 is: 612,652.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,983.36 : 1,411,472.88 = 408,435.36 : x
  2. Step 2: Convert to fraction form
    940,983.36/1,411,472.88 = 408,435.36/x
  3. Step 3: Cross multiply
    940,983.36x = 1,411,472.88 × 408,435.36
  4. Step 4: Simplify right side
    940,983.36x = 576,495,433,873.04
  5. Step 5: Solve for x
    x = 576,495,433,873.04/940,983.36
  6. Step 6: Final answer
    x = 612,652.10

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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.