Home / 806,477.83-1,209,719.91-326,714.70

Finding the Fourth Proportional to 806,477.83, 1,209,719.91 and 326,714.70

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Solution

The fourth proportional to 806,477.83, 1,209,719.91 and 326,714.70 is: 490,073.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,477.83 : 1,209,719.91 = 326,714.70 : x
  2. Step 2: Convert to fraction form
    806,477.83/1,209,719.91 = 326,714.70/x
  3. Step 3: Cross multiply
    806,477.83x = 1,209,719.91 × 326,714.70
  4. Step 4: Simplify right side
    806,477.83x = 395,233,277,479.68
  5. Step 5: Solve for x
    x = 395,233,277,479.68/806,477.83
  6. Step 6: Final answer
    x = 490,073.33

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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.