Home / 889,349.80-1,227,303.11-481,451.64

Finding the Fourth Proportional to 889,349.80, 1,227,303.11 and 481,451.64

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Solution

The fourth proportional to 889,349.80, 1,227,303.11 and 481,451.64 is: 664,403.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,349.80 : 1,227,303.11 = 481,451.64 : x
  2. Step 2: Convert to fraction form
    889,349.80/1,227,303.11 = 481,451.64/x
  3. Step 3: Cross multiply
    889,349.80x = 1,227,303.11 × 481,451.64
  4. Step 4: Simplify right side
    889,349.80x = 590,887,095,086.60
  5. Step 5: Solve for x
    x = 590,887,095,086.60/889,349.80
  6. Step 6: Final answer
    x = 664,403.47

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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.