Home / 772,562.70-1,158,844.05-520,620.30

Finding the Fourth Proportional to 772,562.70, 1,158,844.05 and 520,620.30

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Solution

The fourth proportional to 772,562.70, 1,158,844.05 and 520,620.30 is: 780,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,562.70 : 1,158,844.05 = 520,620.30 : x
  2. Step 2: Convert to fraction form
    772,562.70/1,158,844.05 = 520,620.30/x
  3. Step 3: Cross multiply
    772,562.70x = 1,158,844.05 × 520,620.30
  4. Step 4: Simplify right side
    772,562.70x = 603,317,736,964.22
  5. Step 5: Solve for x
    x = 603,317,736,964.22/772,562.70
  6. Step 6: Final answer
    x = 780,930.45

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Similar ratio
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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.