Home / 865,045.66-1,297,563.79-352,708.80

Finding the Fourth Proportional to 865,045.66, 1,297,563.79 and 352,708.80

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Solution

The fourth proportional to 865,045.66, 1,297,563.79 and 352,708.80 is: 529,061.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,045.66 : 1,297,563.79 = 352,708.80 : x
  2. Step 2: Convert to fraction form
    865,045.66/1,297,563.79 = 352,708.80/x
  3. Step 3: Cross multiply
    865,045.66x = 1,297,563.79 × 352,708.80
  4. Step 4: Simplify right side
    865,045.66x = 457,662,169,656.49
  5. Step 5: Solve for x
    x = 457,662,169,656.49/865,045.66
  6. Step 6: Final answer
    x = 529,061.29

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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.