Home / 628,489.02-942,161.67-229,038.75

Finding the Fourth Proportional to 628,489.02, 942,161.67 and 229,038.75

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Solution

The fourth proportional to 628,489.02, 942,161.67 and 229,038.75 is: 343,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,489.02 : 942,161.67 = 229,038.75 : x
  2. Step 2: Convert to fraction form
    628,489.02/942,161.67 = 229,038.75/x
  3. Step 3: Cross multiply
    628,489.02x = 942,161.67 × 229,038.75
  4. Step 4: Simplify right side
    628,489.02x = 215,791,531,194.71
  5. Step 5: Solve for x
    x = 215,791,531,194.71/628,489.02
  6. Step 6: Final answer
    x = 343,349.72

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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.