Home / 662,518.62-993,936.42-213,281.46

Finding the Fourth Proportional to 662,518.62, 993,936.42 and 213,281.46

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Solution

The fourth proportional to 662,518.62, 993,936.42 and 213,281.46 is: 319,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,518.62 : 993,936.42 = 213,281.46 : x
  2. Step 2: Convert to fraction form
    662,518.62/993,936.42 = 213,281.46/x
  3. Step 3: Cross multiply
    662,518.62x = 993,936.42 × 213,281.46
  4. Step 4: Simplify right side
    662,518.62x = 211,988,210,804.77
  5. Step 5: Solve for x
    x = 211,988,210,804.77/662,518.62
  6. Step 6: Final answer
    x = 319,973.21

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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.