Home / 719,175.86-1,078,005.48-239,275.48

Finding the Fourth Proportional to 719,175.86, 1,078,005.48 and 239,275.48

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Solution

The fourth proportional to 719,175.86, 1,078,005.48 and 239,275.48 is: 358,660.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,175.86 : 1,078,005.48 = 239,275.48 : x
  2. Step 2: Convert to fraction form
    719,175.86/1,078,005.48 = 239,275.48/x
  3. Step 3: Cross multiply
    719,175.86x = 1,078,005.48 × 239,275.48
  4. Step 4: Simplify right side
    719,175.86x = 257,940,278,669.63
  5. Step 5: Solve for x
    x = 257,940,278,669.63/719,175.86
  6. Step 6: Final answer
    x = 358,660.92

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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.