Home / 866,676.06-1,298,949.32-486,798.26

Finding the Fourth Proportional to 866,676.06, 1,298,949.32 and 486,798.26

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Solution

The fourth proportional to 866,676.06, 1,298,949.32 and 486,798.26 is: 729,599.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,676.06 : 1,298,949.32 = 486,798.26 : x
  2. Step 2: Convert to fraction form
    866,676.06/1,298,949.32 = 486,798.26/x
  3. Step 3: Cross multiply
    866,676.06x = 1,298,949.32 × 486,798.26
  4. Step 4: Simplify right side
    866,676.06x = 632,326,259,875.45
  5. Step 5: Solve for x
    x = 632,326,259,875.45/866,676.06
  6. Step 6: Final answer
    x = 729,599.32

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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.