Home / 454,032.32-681,650.40-387,897.44

Finding the Fourth Proportional to 454,032.32, 681,650.40 and 387,897.44

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Solution

The fourth proportional to 454,032.32, 681,650.40 and 387,897.44 is: 582,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,032.32 : 681,650.40 = 387,897.44 : x
  2. Step 2: Convert to fraction form
    454,032.32/681,650.40 = 387,897.44/x
  3. Step 3: Cross multiply
    454,032.32x = 681,650.40 × 387,897.44
  4. Step 4: Simplify right side
    454,032.32x = 264,410,445,134.98
  5. Step 5: Solve for x
    x = 264,410,445,134.98/454,032.32
  6. Step 6: Final answer
    x = 582,360.40

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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.