Home / 684,191.20-1,026,431.69-204,456.35

Finding the Fourth Proportional to 684,191.20, 1,026,431.69 and 204,456.35

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Solution

The fourth proportional to 684,191.20, 1,026,431.69 and 204,456.35 is: 306,727.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,191.20 : 1,026,431.69 = 204,456.35 : x
  2. Step 2: Convert to fraction form
    684,191.20/1,026,431.69 = 204,456.35/x
  3. Step 3: Cross multiply
    684,191.20x = 1,026,431.69 × 204,456.35
  4. Step 4: Simplify right side
    684,191.20x = 209,860,470,707.29
  5. Step 5: Solve for x
    x = 209,860,470,707.29/684,191.20
  6. Step 6: Final answer
    x = 306,727.81

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Double scale
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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.