Home / 684,252.40-1,026,378.60-404,316.40

Finding the Fourth Proportional to 684,252.40, 1,026,378.60 and 404,316.40

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Solution

The fourth proportional to 684,252.40, 1,026,378.60 and 404,316.40 is: 606,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,252.40 : 1,026,378.60 = 404,316.40 : x
  2. Step 2: Convert to fraction form
    684,252.40/1,026,378.60 = 404,316.40/x
  3. Step 3: Cross multiply
    684,252.40x = 1,026,378.60 × 404,316.40
  4. Step 4: Simplify right side
    684,252.40x = 414,981,700,589.04
  5. Step 5: Solve for x
    x = 414,981,700,589.04/684,252.40
  6. Step 6: Final answer
    x = 606,474.60

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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.