Home / 830,993.48-1,146,771.30-449,020.26

Finding the Fourth Proportional to 830,993.48, 1,146,771.30 and 449,020.26

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Solution

The fourth proportional to 830,993.48, 1,146,771.30 and 449,020.26 is: 619,648.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,993.48 : 1,146,771.30 = 449,020.26 : x
  2. Step 2: Convert to fraction form
    830,993.48/1,146,771.30 = 449,020.26/x
  3. Step 3: Cross multiply
    830,993.48x = 1,146,771.30 × 449,020.26
  4. Step 4: Simplify right side
    830,993.48x = 514,923,541,552.68
  5. Step 5: Solve for x
    x = 514,923,541,552.68/830,993.48
  6. Step 6: Final answer
    x = 619,648.12

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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.