Home / 484,531.56-726,918.84-285,018.84

Finding the Fourth Proportional to 484,531.56, 726,918.84 and 285,018.84

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Solution

The fourth proportional to 484,531.56, 726,918.84 and 285,018.84 is: 427,599.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,531.56 : 726,918.84 = 285,018.84 : x
  2. Step 2: Convert to fraction form
    484,531.56/726,918.84 = 285,018.84/x
  3. Step 3: Cross multiply
    484,531.56x = 726,918.84 × 285,018.84
  4. Step 4: Simplify right side
    484,531.56x = 207,185,564,550.95
  5. Step 5: Solve for x
    x = 207,185,564,550.95/484,531.56
  6. Step 6: Final answer
    x = 427,599.73

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1.5x scale

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.