Home / 628,313.90-942,558.46-201,862.66

Finding the Fourth Proportional to 628,313.90, 942,558.46 and 201,862.66

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Solution

The fourth proportional to 628,313.90, 942,558.46 and 201,862.66 is: 302,822.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,313.90 : 942,558.46 = 201,862.66 : x
  2. Step 2: Convert to fraction form
    628,313.90/942,558.46 = 201,862.66/x
  3. Step 3: Cross multiply
    628,313.90x = 942,558.46 × 201,862.66
  4. Step 4: Simplify right side
    628,313.90x = 190,267,357,941.10
  5. Step 5: Solve for x
    x = 190,267,357,941.10/628,313.90
  6. Step 6: Final answer
    x = 302,822.14

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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.