Home / 434,408.31-651,415.64-282,455.55

Finding the Fourth Proportional to 434,408.31, 651,415.64 and 282,455.55

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Solution

The fourth proportional to 434,408.31, 651,415.64 and 282,455.55 is: 423,555.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,408.31 : 651,415.64 = 282,455.55 : x
  2. Step 2: Convert to fraction form
    434,408.31/651,415.64 = 282,455.55/x
  3. Step 3: Cross multiply
    434,408.31x = 651,415.64 × 282,455.55
  4. Step 4: Simplify right side
    434,408.31x = 183,995,961,462.52
  5. Step 5: Solve for x
    x = 183,995,961,462.52/434,408.31
  6. Step 6: Final answer
    x = 423,555.34

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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.