Home / 705,960.64-1,058,345.04-306,300.16

Finding the Fourth Proportional to 705,960.64, 1,058,345.04 and 306,300.16

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Solution

The fourth proportional to 705,960.64, 1,058,345.04 and 306,300.16 is: 459,191.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,960.64 : 1,058,345.04 = 306,300.16 : x
  2. Step 2: Convert to fraction form
    705,960.64/1,058,345.04 = 306,300.16/x
  3. Step 3: Cross multiply
    705,960.64x = 1,058,345.04 × 306,300.16
  4. Step 4: Simplify right side
    705,960.64x = 324,171,255,087.21
  5. Step 5: Solve for x
    x = 324,171,255,087.21/705,960.64
  6. Step 6: Final answer
    x = 459,191.68

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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.