Home / 439,051.28-605,918.76-269,262.32

Finding the Fourth Proportional to 439,051.28, 605,918.76 and 269,262.32

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Solution

The fourth proportional to 439,051.28, 605,918.76 and 269,262.32 is: 371,599.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,051.28 : 605,918.76 = 269,262.32 : x
  2. Step 2: Convert to fraction form
    439,051.28/605,918.76 = 269,262.32/x
  3. Step 3: Cross multiply
    439,051.28x = 605,918.76 × 269,262.32
  4. Step 4: Simplify right side
    439,051.28x = 163,151,091,049.12
  5. Step 5: Solve for x
    x = 163,151,091,049.12/439,051.28
  6. Step 6: Final answer
    x = 371,599.17

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1.5x scale

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.