Home / 441,640.32-609,463.62-240,436.32

Finding the Fourth Proportional to 441,640.32, 609,463.62 and 240,436.32

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Solution

The fourth proportional to 441,640.32, 609,463.62 and 240,436.32 is: 331,802.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,640.32 : 609,463.62 = 240,436.32 : x
  2. Step 2: Convert to fraction form
    441,640.32/609,463.62 = 240,436.32/x
  3. Step 3: Cross multiply
    441,640.32x = 609,463.62 × 240,436.32
  4. Step 4: Simplify right side
    441,640.32x = 146,537,189,966.68
  5. Step 5: Solve for x
    x = 146,537,189,966.68/441,640.32
  6. Step 6: Final answer
    x = 331,802.11

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1.5x scale

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.