Home / 684,789.08-1,027,312.72-211,363.73

Finding the Fourth Proportional to 684,789.08, 1,027,312.72 and 211,363.73

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Solution

The fourth proportional to 684,789.08, 1,027,312.72 and 211,363.73 is: 317,085.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,789.08 : 1,027,312.72 = 211,363.73 : x
  2. Step 2: Convert to fraction form
    684,789.08/1,027,312.72 = 211,363.73/x
  3. Step 3: Cross multiply
    684,789.08x = 1,027,312.72 × 211,363.73
  4. Step 4: Simplify right side
    684,789.08x = 217,136,642,182.26
  5. Step 5: Solve for x
    x = 217,136,642,182.26/684,789.08
  6. Step 6: Final answer
    x = 317,085.43

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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.