Home / 405,497.40-607,822.92-180,962.88

Finding the Fourth Proportional to 405,497.40, 607,822.92 and 180,962.88

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Solution

The fourth proportional to 405,497.40, 607,822.92 and 180,962.88 is: 271,255.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,497.40 : 607,822.92 = 180,962.88 : x
  2. Step 2: Convert to fraction form
    405,497.40/607,822.92 = 180,962.88/x
  3. Step 3: Cross multiply
    405,497.40x = 607,822.92 × 180,962.88
  4. Step 4: Simplify right side
    405,497.40x = 109,993,386,133.21
  5. Step 5: Solve for x
    x = 109,993,386,133.21/405,497.40
  6. Step 6: Final answer
    x = 271,255.47

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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.