Home / 885,722.28-1,328,794.32-286,683.54

Finding the Fourth Proportional to 885,722.28, 1,328,794.32 and 286,683.54

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Solution

The fourth proportional to 885,722.28, 1,328,794.32 and 286,683.54 is: 430,093.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,722.28 : 1,328,794.32 = 286,683.54 : x
  2. Step 2: Convert to fraction form
    885,722.28/1,328,794.32 = 286,683.54/x
  3. Step 3: Cross multiply
    885,722.28x = 1,328,794.32 × 286,683.54
  4. Step 4: Simplify right side
    885,722.28x = 380,943,459,589.49
  5. Step 5: Solve for x
    x = 380,943,459,589.49/885,722.28
  6. Step 6: Final answer
    x = 430,093.57

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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.