Home / 684,660.80-1,027,088.40-211,296.80

Finding the Fourth Proportional to 684,660.80, 1,027,088.40 and 211,296.80

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Solution

The fourth proportional to 684,660.80, 1,027,088.40 and 211,296.80 is: 316,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,660.80 : 1,027,088.40 = 211,296.80 : x
  2. Step 2: Convert to fraction form
    684,660.80/1,027,088.40 = 211,296.80/x
  3. Step 3: Cross multiply
    684,660.80x = 1,027,088.40 × 211,296.80
  4. Step 4: Simplify right side
    684,660.80x = 217,020,492,237.12
  5. Step 5: Solve for x
    x = 217,020,492,237.12/684,660.80
  6. Step 6: Final answer
    x = 316,975.20

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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.