Home / 959,881.56-1,438,924.86-427,113.24

Finding the Fourth Proportional to 959,881.56, 1,438,924.86 and 427,113.24

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Solution

The fourth proportional to 959,881.56, 1,438,924.86 and 427,113.24 is: 640,270.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,881.56 : 1,438,924.86 = 427,113.24 : x
  2. Step 2: Convert to fraction form
    959,881.56/1,438,924.86 = 427,113.24/x
  3. Step 3: Cross multiply
    959,881.56x = 1,438,924.86 × 427,113.24
  4. Step 4: Simplify right side
    959,881.56x = 614,583,859,071.15
  5. Step 5: Solve for x
    x = 614,583,859,071.15/959,881.56
  6. Step 6: Final answer
    x = 640,270.51

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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.