Home / 626,023.28-863,912.18-354,085.32

Finding the Fourth Proportional to 626,023.28, 863,912.18 and 354,085.32

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Solution

The fourth proportional to 626,023.28, 863,912.18 and 354,085.32 is: 488,637.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,023.28 : 863,912.18 = 354,085.32 : x
  2. Step 2: Convert to fraction form
    626,023.28/863,912.18 = 354,085.32/x
  3. Step 3: Cross multiply
    626,023.28x = 863,912.18 × 354,085.32
  4. Step 4: Simplify right side
    626,023.28x = 305,898,618,936.77
  5. Step 5: Solve for x
    x = 305,898,618,936.77/626,023.28
  6. Step 6: Final answer
    x = 488,637.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.