Home / 770,987.30-1,064,073.80-444,237.73

Finding the Fourth Proportional to 770,987.30, 1,064,073.80 and 444,237.73

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Solution

The fourth proportional to 770,987.30, 1,064,073.80 and 444,237.73 is: 613,112.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,987.30 : 1,064,073.80 = 444,237.73 : x
  2. Step 2: Convert to fraction form
    770,987.30/1,064,073.80 = 444,237.73/x
  3. Step 3: Cross multiply
    770,987.30x = 1,064,073.80 × 444,237.73
  4. Step 4: Simplify right side
    770,987.30x = 472,701,727,914.88
  5. Step 5: Solve for x
    x = 472,701,727,914.88/770,987.30
  6. Step 6: Final answer
    x = 613,112.21

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Double scale
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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.