Home / 772,676.70-1,159,015.05-729,374.10

Finding the Fourth Proportional to 772,676.70, 1,159,015.05 and 729,374.10

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Solution

The fourth proportional to 772,676.70, 1,159,015.05 and 729,374.10 is: 1,094,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,676.70 : 1,159,015.05 = 729,374.10 : x
  2. Step 2: Convert to fraction form
    772,676.70/1,159,015.05 = 729,374.10/x
  3. Step 3: Cross multiply
    772,676.70x = 1,159,015.05 × 729,374.10
  4. Step 4: Simplify right side
    772,676.70x = 845,355,558,980.21
  5. Step 5: Solve for x
    x = 845,355,558,980.21/772,676.70
  6. Step 6: Final answer
    x = 1,094,061.15

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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.