Home / 684,836.10-1,027,254.15-310,859.10

Finding the Fourth Proportional to 684,836.10, 1,027,254.15 and 310,859.10

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Solution

The fourth proportional to 684,836.10, 1,027,254.15 and 310,859.10 is: 466,288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,836.10 : 1,027,254.15 = 310,859.10 : x
  2. Step 2: Convert to fraction form
    684,836.10/1,027,254.15 = 310,859.10/x
  3. Step 3: Cross multiply
    684,836.10x = 1,027,254.15 × 310,859.10
  4. Step 4: Simplify right side
    684,836.10x = 319,331,300,540.27
  5. Step 5: Solve for x
    x = 319,331,300,540.27/684,836.10
  6. Step 6: Final answer
    x = 466,288.65

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Double scale
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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.