Home / 428,991.07-592,023.50-259,192.39

Finding the Fourth Proportional to 428,991.07, 592,023.50 and 259,192.39

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Solution

The fourth proportional to 428,991.07, 592,023.50 and 259,192.39 is: 357,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,991.07 : 592,023.50 = 259,192.39 : x
  2. Step 2: Convert to fraction form
    428,991.07/592,023.50 = 259,192.39/x
  3. Step 3: Cross multiply
    428,991.07x = 592,023.50 × 259,192.39
  4. Step 4: Simplify right side
    428,991.07x = 153,447,985,901.17
  5. Step 5: Solve for x
    x = 153,447,985,901.17/428,991.07
  6. Step 6: Final answer
    x = 357,695.06

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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.