Home / 684,867.40-1,027,301.10-404,240.20

Finding the Fourth Proportional to 684,867.40, 1,027,301.10 and 404,240.20

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Solution

The fourth proportional to 684,867.40, 1,027,301.10 and 404,240.20 is: 606,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,867.40 : 1,027,301.10 = 404,240.20 : x
  2. Step 2: Convert to fraction form
    684,867.40/1,027,301.10 = 404,240.20/x
  3. Step 3: Cross multiply
    684,867.40x = 1,027,301.10 × 404,240.20
  4. Step 4: Simplify right side
    684,867.40x = 415,276,402,124.22
  5. Step 5: Solve for x
    x = 415,276,402,124.22/684,867.40
  6. Step 6: Final answer
    x = 606,360.30

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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.