Home / 766,676.18-1,150,547.87-317,399.37

Finding the Fourth Proportional to 766,676.18, 1,150,547.87 and 317,399.37

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Solution

The fourth proportional to 766,676.18, 1,150,547.87 and 317,399.37 is: 476,319.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,676.18 : 1,150,547.87 = 317,399.37 : x
  2. Step 2: Convert to fraction form
    766,676.18/1,150,547.87 = 317,399.37/x
  3. Step 3: Cross multiply
    766,676.18x = 1,150,547.87 × 317,399.37
  4. Step 4: Simplify right side
    766,676.18x = 365,183,169,886.34
  5. Step 5: Solve for x
    x = 365,183,169,886.34/766,676.18
  6. Step 6: Final answer
    x = 476,319.97

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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.