Home / 684,790.83-1,027,315.35-211,365.47

Finding the Fourth Proportional to 684,790.83, 1,027,315.35 and 211,365.47

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Solution

The fourth proportional to 684,790.83, 1,027,315.35 and 211,365.47 is: 317,088.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,790.83 : 1,027,315.35 = 211,365.47 : x
  2. Step 2: Convert to fraction form
    684,790.83/1,027,315.35 = 211,365.47/x
  3. Step 3: Cross multiply
    684,790.83x = 1,027,315.35 × 211,365.47
  4. Step 4: Simplify right side
    684,790.83x = 217,138,994,359.25
  5. Step 5: Solve for x
    x = 217,138,994,359.25/684,790.83
  6. Step 6: Final answer
    x = 317,088.06

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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.