Home / 684,415.58-1,026,280.73-211,039.43

Finding the Fourth Proportional to 684,415.58, 1,026,280.73 and 211,039.43

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Solution

The fourth proportional to 684,415.58, 1,026,280.73 and 211,039.43 is: 316,453.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,415.58 : 1,026,280.73 = 211,039.43 : x
  2. Step 2: Convert to fraction form
    684,415.58/1,026,280.73 = 211,039.43/x
  3. Step 3: Cross multiply
    684,415.58x = 1,026,280.73 × 211,039.43
  4. Step 4: Simplify right side
    684,415.58x = 216,585,695,675.38
  5. Step 5: Solve for x
    x = 216,585,695,675.38/684,415.58
  6. Step 6: Final answer
    x = 316,453.49

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1.5x scale

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.