Home / 684,247.40-1,026,371.10-404,311.40

Finding the Fourth Proportional to 684,247.40, 1,026,371.10 and 404,311.40

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Solution

The fourth proportional to 684,247.40, 1,026,371.10 and 404,311.40 is: 606,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,247.40 : 1,026,371.10 = 404,311.40 : x
  2. Step 2: Convert to fraction form
    684,247.40/1,026,371.10 = 404,311.40/x
  3. Step 3: Cross multiply
    684,247.40x = 1,026,371.10 × 404,311.40
  4. Step 4: Simplify right side
    684,247.40x = 414,973,536,360.54
  5. Step 5: Solve for x
    x = 414,973,536,360.54/684,247.40
  6. Step 6: Final answer
    x = 606,467.10

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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.