Home / 876,677.10-1,315,015.65-729,054.60

Finding the Fourth Proportional to 876,677.10, 1,315,015.65 and 729,054.60

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Solution

The fourth proportional to 876,677.10, 1,315,015.65 and 729,054.60 is: 1,093,581.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,677.10 : 1,315,015.65 = 729,054.60 : x
  2. Step 2: Convert to fraction form
    876,677.10/1,315,015.65 = 729,054.60/x
  3. Step 3: Cross multiply
    876,677.10x = 1,315,015.65 × 729,054.60
  4. Step 4: Simplify right side
    876,677.10x = 958,718,208,704.49
  5. Step 5: Solve for x
    x = 958,718,208,704.49/876,677.10
  6. Step 6: Final answer
    x = 1,093,581.90

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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.