Home / 705,786.55-1,058,084.69-306,126.32

Finding the Fourth Proportional to 705,786.55, 1,058,084.69 and 306,126.32

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Solution

The fourth proportional to 705,786.55, 1,058,084.69 and 306,126.32 is: 458,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,786.55 : 1,058,084.69 = 306,126.32 : x
  2. Step 2: Convert to fraction form
    705,786.55/1,058,084.69 = 306,126.32/x
  3. Step 3: Cross multiply
    705,786.55x = 1,058,084.69 × 306,126.32
  4. Step 4: Simplify right side
    705,786.55x = 323,907,565,576.99
  5. Step 5: Solve for x
    x = 323,907,565,576.99/705,786.55
  6. Step 6: Final answer
    x = 458,931.34

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1.5x scale

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.