Home / 628,315.92-942,561.48-201,864.68

Finding the Fourth Proportional to 628,315.92, 942,561.48 and 201,864.68

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Solution

The fourth proportional to 628,315.92, 942,561.48 and 201,864.68 is: 302,825.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,315.92 : 942,561.48 = 201,864.68 : x
  2. Step 2: Convert to fraction form
    628,315.92/942,561.48 = 201,864.68/x
  3. Step 3: Cross multiply
    628,315.92x = 942,561.48 × 201,864.68
  4. Step 4: Simplify right side
    628,315.92x = 190,269,871,540.53
  5. Step 5: Solve for x
    x = 190,269,871,540.53/628,315.92
  6. Step 6: Final answer
    x = 302,825.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.