Home / 886,929.40-1,330,566.90-354,359.80

Finding the Fourth Proportional to 886,929.40, 1,330,566.90 and 354,359.80

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Solution

The fourth proportional to 886,929.40, 1,330,566.90 and 354,359.80 is: 531,608.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,929.40 : 1,330,566.90 = 354,359.80 : x
  2. Step 2: Convert to fraction form
    886,929.40/1,330,566.90 = 354,359.80/x
  3. Step 3: Cross multiply
    886,929.40x = 1,330,566.90 × 354,359.80
  4. Step 4: Simplify right side
    886,929.40x = 471,499,420,570.62
  5. Step 5: Solve for x
    x = 471,499,420,570.62/886,929.40
  6. Step 6: Final answer
    x = 531,608.74

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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.