Home / 665,746.08-998,661.15-281,423.27

Finding the Fourth Proportional to 665,746.08, 998,661.15 and 281,423.27

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Solution

The fourth proportional to 665,746.08, 998,661.15 and 281,423.27 is: 422,152.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,746.08 : 998,661.15 = 281,423.27 : x
  2. Step 2: Convert to fraction form
    665,746.08/998,661.15 = 281,423.27/x
  3. Step 3: Cross multiply
    665,746.08x = 998,661.15 × 281,423.27
  4. Step 4: Simplify right side
    665,746.08x = 281,046,481,461.66
  5. Step 5: Solve for x
    x = 281,046,481,461.66/665,746.08
  6. Step 6: Final answer
    x = 422,152.66

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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.