Home / 779,221.20-1,168,588.80-306,051.60

Finding the Fourth Proportional to 779,221.20, 1,168,588.80 and 306,051.60

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Solution

The fourth proportional to 779,221.20, 1,168,588.80 and 306,051.60 is: 458,981.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,221.20 : 1,168,588.80 = 306,051.60 : x
  2. Step 2: Convert to fraction form
    779,221.20/1,168,588.80 = 306,051.60/x
  3. Step 3: Cross multiply
    779,221.20x = 1,168,588.80 × 306,051.60
  4. Step 4: Simplify right side
    779,221.20x = 357,648,471,982.08
  5. Step 5: Solve for x
    x = 357,648,471,982.08/779,221.20
  6. Step 6: Final answer
    x = 458,981.96

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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.