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Finding the Fourth Proportional to 585,159.20, 877,755.22 and 285,879.19

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Solution

The fourth proportional to 585,159.20, 877,755.22 and 285,879.19 is: 428,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,159.20 : 877,755.22 = 285,879.19 : x
  2. Step 2: Convert to fraction form
    585,159.20/877,755.22 = 285,879.19/x
  3. Step 3: Cross multiply
    585,159.20x = 877,755.22 × 285,879.19
  4. Step 4: Simplify right side
    585,159.20x = 250,931,950,048.58
  5. Step 5: Solve for x
    x = 250,931,950,048.58/585,159.20
  6. Step 6: Final answer
    x = 428,826.80

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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.