Home / 865,176.29-1,297,760.33-480,744.01

Finding the Fourth Proportional to 865,176.29, 1,297,760.33 and 480,744.01

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Solution

The fourth proportional to 865,176.29, 1,297,760.33 and 480,744.01 is: 721,113.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,176.29 : 1,297,760.33 = 480,744.01 : x
  2. Step 2: Convert to fraction form
    865,176.29/1,297,760.33 = 480,744.01/x
  3. Step 3: Cross multiply
    865,176.29x = 1,297,760.33 × 480,744.01
  4. Step 4: Simplify right side
    865,176.29x = 623,890,507,887.18
  5. Step 5: Solve for x
    x = 623,890,507,887.18/865,176.29
  6. Step 6: Final answer
    x = 721,113.74

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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.