Home / 890,923.89-1,229,471.09-483,024.47

Finding the Fourth Proportional to 890,923.89, 1,229,471.09 and 483,024.47

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Solution

The fourth proportional to 890,923.89, 1,229,471.09 and 483,024.47 is: 666,571.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,923.89 : 1,229,471.09 = 483,024.47 : x
  2. Step 2: Convert to fraction form
    890,923.89/1,229,471.09 = 483,024.47/x
  3. Step 3: Cross multiply
    890,923.89x = 1,229,471.09 × 483,024.47
  4. Step 4: Simplify right side
    890,923.89x = 593,864,613,857.55
  5. Step 5: Solve for x
    x = 593,864,613,857.55/890,923.89
  6. Step 6: Final answer
    x = 666,571.66

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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.