Home / 823,749.75-1,136,712.29-501,424.02

Finding the Fourth Proportional to 823,749.75, 1,136,712.29 and 501,424.02

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Solution

The fourth proportional to 823,749.75, 1,136,712.29 and 501,424.02 is: 691,927.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,749.75 : 1,136,712.29 = 501,424.02 : x
  2. Step 2: Convert to fraction form
    823,749.75/1,136,712.29 = 501,424.02/x
  3. Step 3: Cross multiply
    823,749.75x = 1,136,712.29 × 501,424.02
  4. Step 4: Simplify right side
    823,749.75x = 569,974,843,528.09
  5. Step 5: Solve for x
    x = 569,974,843,528.09/823,749.75
  6. Step 6: Final answer
    x = 691,927.18

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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.