Home / 705,644.88-1,058,462.28-284,914.32

Finding the Fourth Proportional to 705,644.88, 1,058,462.28 and 284,914.32

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Solution

The fourth proportional to 705,644.88, 1,058,462.28 and 284,914.32 is: 427,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,644.88 : 1,058,462.28 = 284,914.32 : x
  2. Step 2: Convert to fraction form
    705,644.88/1,058,462.28 = 284,914.32/x
  3. Step 3: Cross multiply
    705,644.88x = 1,058,462.28 × 284,914.32
  4. Step 4: Simplify right side
    705,644.88x = 301,571,060,751.85
  5. Step 5: Solve for x
    x = 301,571,060,751.85/705,644.88
  6. Step 6: Final answer
    x = 427,369.45

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Half scale
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Double scale
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Similar ratio
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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.