Home / 495,428.14-742,907.82-191,964.34

Finding the Fourth Proportional to 495,428.14, 742,907.82 and 191,964.34

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Solution

The fourth proportional to 495,428.14, 742,907.82 and 191,964.34 is: 287,855.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,428.14 : 742,907.82 = 191,964.34 : x
  2. Step 2: Convert to fraction form
    495,428.14/742,907.82 = 191,964.34/x
  3. Step 3: Cross multiply
    495,428.14x = 742,907.82 × 191,964.34
  4. Step 4: Simplify right side
    495,428.14x = 142,611,809,347.14
  5. Step 5: Solve for x
    x = 142,611,809,347.14/495,428.14
  6. Step 6: Final answer
    x = 287,855.69

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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.