Home / 437,607.20-603,497.04-286,787.36

Finding the Fourth Proportional to 437,607.20, 603,497.04 and 286,787.36

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Solution

The fourth proportional to 437,607.20, 603,497.04 and 286,787.36 is: 395,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,607.20 : 603,497.04 = 286,787.36 : x
  2. Step 2: Convert to fraction form
    437,607.20/603,497.04 = 286,787.36/x
  3. Step 3: Cross multiply
    437,607.20x = 603,497.04 × 286,787.36
  4. Step 4: Simplify right side
    437,607.20x = 173,075,322,869.41
  5. Step 5: Solve for x
    x = 173,075,322,869.41/437,607.20
  6. Step 6: Final answer
    x = 395,503.83

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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.