Home / 684,230.40-1,026,345.60-404,294.40

Finding the Fourth Proportional to 684,230.40, 1,026,345.60 and 404,294.40

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Solution

The fourth proportional to 684,230.40, 1,026,345.60 and 404,294.40 is: 606,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,230.40 : 1,026,345.60 = 404,294.40 : x
  2. Step 2: Convert to fraction form
    684,230.40/1,026,345.60 = 404,294.40/x
  3. Step 3: Cross multiply
    684,230.40x = 1,026,345.60 × 404,294.40
  4. Step 4: Simplify right side
    684,230.40x = 414,945,778,544.64
  5. Step 5: Solve for x
    x = 414,945,778,544.64/684,230.40
  6. Step 6: Final answer
    x = 606,441.60

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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.