Home / 628,501.03-942,840.15-201,893.80

Finding the Fourth Proportional to 628,501.03, 942,840.15 and 201,893.80

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Solution

The fourth proportional to 628,501.03, 942,840.15 and 201,893.80 is: 302,869.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,501.03 : 942,840.15 = 201,893.80 : x
  2. Step 2: Convert to fraction form
    628,501.03/942,840.15 = 201,893.80/x
  3. Step 3: Cross multiply
    628,501.03x = 942,840.15 × 201,893.80
  4. Step 4: Simplify right side
    628,501.03x = 190,353,580,676.07
  5. Step 5: Solve for x
    x = 190,353,580,676.07/628,501.03
  6. Step 6: Final answer
    x = 302,869.16

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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.