Home / 684,838.10-1,027,257.15-310,861.10

Finding the Fourth Proportional to 684,838.10, 1,027,257.15 and 310,861.10

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Solution

The fourth proportional to 684,838.10, 1,027,257.15 and 310,861.10 is: 466,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,838.10 : 1,027,257.15 = 310,861.10 : x
  2. Step 2: Convert to fraction form
    684,838.10/1,027,257.15 = 310,861.10/x
  3. Step 3: Cross multiply
    684,838.10x = 1,027,257.15 × 310,861.10
  4. Step 4: Simplify right side
    684,838.10x = 319,334,287,631.87
  5. Step 5: Solve for x
    x = 319,334,287,631.87/684,838.10
  6. Step 6: Final answer
    x = 466,291.65

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Similar ratio
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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.