Home / 428,610.02-591,488.63-235,035.34

Finding the Fourth Proportional to 428,610.02, 591,488.63 and 235,035.34

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Solution

The fourth proportional to 428,610.02, 591,488.63 and 235,035.34 is: 324,352.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,610.02 : 591,488.63 = 235,035.34 : x
  2. Step 2: Convert to fraction form
    428,610.02/591,488.63 = 235,035.34/x
  3. Step 3: Cross multiply
    428,610.02x = 591,488.63 × 235,035.34
  4. Step 4: Simplify right side
    428,610.02x = 139,020,730,083.01
  5. Step 5: Solve for x
    x = 139,020,730,083.01/428,610.02
  6. Step 6: Final answer
    x = 324,352.50

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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.