Home / 495,202.85-742,804.32-258,490.17

Finding the Fourth Proportional to 495,202.85, 742,804.32 and 258,490.17

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Solution

The fourth proportional to 495,202.85, 742,804.32 and 258,490.17 is: 387,735.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,202.85 : 742,804.32 = 258,490.17 : x
  2. Step 2: Convert to fraction form
    495,202.85/742,804.32 = 258,490.17/x
  3. Step 3: Cross multiply
    495,202.85x = 742,804.32 × 258,490.17
  4. Step 4: Simplify right side
    495,202.85x = 192,007,615,922.87
  5. Step 5: Solve for x
    x = 192,007,615,922.87/495,202.85
  6. Step 6: Final answer
    x = 387,735.28

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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.