Home / 891,239.06-1,229,901.53-483,349.89

Finding the Fourth Proportional to 891,239.06, 1,229,901.53 and 483,349.89

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Solution

The fourth proportional to 891,239.06, 1,229,901.53 and 483,349.89 is: 667,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,239.06 : 1,229,901.53 = 483,349.89 : x
  2. Step 2: Convert to fraction form
    891,239.06/1,229,901.53 = 483,349.89/x
  3. Step 3: Cross multiply
    891,239.06x = 1,229,901.53 × 483,349.89
  4. Step 4: Simplify right side
    891,239.06x = 594,472,769,236.33
  5. Step 5: Solve for x
    x = 594,472,769,236.33/891,239.06
  6. Step 6: Final answer
    x = 667,018.31

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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.