Home / 942,428.64-1,413,636.36-381,455.04

Finding the Fourth Proportional to 942,428.64, 1,413,636.36 and 381,455.04

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Solution

The fourth proportional to 942,428.64, 1,413,636.36 and 381,455.04 is: 572,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,428.64 : 1,413,636.36 = 381,455.04 : x
  2. Step 2: Convert to fraction form
    942,428.64/1,413,636.36 = 381,455.04/x
  3. Step 3: Cross multiply
    942,428.64x = 1,413,636.36 × 381,455.04
  4. Step 4: Simplify right side
    942,428.64x = 539,238,714,249.25
  5. Step 5: Solve for x
    x = 539,238,714,249.25/942,428.64
  6. Step 6: Final answer
    x = 572,179.89

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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.