Home / 684,228.06-1,026,782.73-368,904.78

Finding the Fourth Proportional to 684,228.06, 1,026,782.73 and 368,904.78

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Solution

The fourth proportional to 684,228.06, 1,026,782.73 and 368,904.78 is: 553,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,228.06 : 1,026,782.73 = 368,904.78 : x
  2. Step 2: Convert to fraction form
    684,228.06/1,026,782.73 = 368,904.78/x
  3. Step 3: Cross multiply
    684,228.06x = 1,026,782.73 × 368,904.78
  4. Step 4: Simplify right side
    684,228.06x = 378,785,057,118.45
  5. Step 5: Solve for x
    x = 378,785,057,118.45/684,228.06
  6. Step 6: Final answer
    x = 553,594.74

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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.