Home / 434,462.40-651,693.60-285,163.20

Finding the Fourth Proportional to 434,462.40, 651,693.60 and 285,163.20

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Solution

The fourth proportional to 434,462.40, 651,693.60 and 285,163.20 is: 427,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,462.40 : 651,693.60 = 285,163.20 : x
  2. Step 2: Convert to fraction form
    434,462.40/651,693.60 = 285,163.20/x
  3. Step 3: Cross multiply
    434,462.40x = 651,693.60 × 285,163.20
  4. Step 4: Simplify right side
    434,462.40x = 185,839,032,395.52
  5. Step 5: Solve for x
    x = 185,839,032,395.52/434,462.40
  6. Step 6: Final answer
    x = 427,744.80

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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.