Home / 427,299.17-589,607.35-245,976.06

Finding the Fourth Proportional to 427,299.17, 589,607.35 and 245,976.06

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Solution

The fourth proportional to 427,299.17, 589,607.35 and 245,976.06 is: 339,409.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,299.17 : 589,607.35 = 245,976.06 : x
  2. Step 2: Convert to fraction form
    427,299.17/589,607.35 = 245,976.06/x
  3. Step 3: Cross multiply
    427,299.17x = 589,607.35 × 245,976.06
  4. Step 4: Simplify right side
    427,299.17x = 145,029,291,670.16
  5. Step 5: Solve for x
    x = 145,029,291,670.16/427,299.17
  6. Step 6: Final answer
    x = 339,409.26

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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.