Home / 779,300.64-1,168,819.20-218,206.08

Finding the Fourth Proportional to 779,300.64, 1,168,819.20 and 218,206.08

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Solution

The fourth proportional to 779,300.64, 1,168,819.20 and 218,206.08 is: 327,272.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,300.64 : 1,168,819.20 = 218,206.08 : x
  2. Step 2: Convert to fraction form
    779,300.64/1,168,819.20 = 218,206.08/x
  3. Step 3: Cross multiply
    779,300.64x = 1,168,819.20 × 218,206.08
  4. Step 4: Simplify right side
    779,300.64x = 255,043,455,860.74
  5. Step 5: Solve for x
    x = 255,043,455,860.74/779,300.64
  6. Step 6: Final answer
    x = 327,272.23

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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.