Home / 909,876.43-1,364,989.54-348,867.19

Finding the Fourth Proportional to 909,876.43, 1,364,989.54 and 348,867.19

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Solution

The fourth proportional to 909,876.43, 1,364,989.54 and 348,867.19 is: 523,367.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,876.43 : 1,364,989.54 = 348,867.19 : x
  2. Step 2: Convert to fraction form
    909,876.43/1,364,989.54 = 348,867.19/x
  3. Step 3: Cross multiply
    909,876.43x = 1,364,989.54 × 348,867.19
  4. Step 4: Simplify right side
    909,876.43x = 476,200,065,199.19
  5. Step 5: Solve for x
    x = 476,200,065,199.19/909,876.43
  6. Step 6: Final answer
    x = 523,367.84

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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.