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Finding the Fourth Proportional to 520,797.67, 779,922.54 and 470,310.77

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Solution

The fourth proportional to 520,797.67, 779,922.54 and 470,310.77 is: 704,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,797.67 : 779,922.54 = 470,310.77 : x
  2. Step 2: Convert to fraction form
    520,797.67/779,922.54 = 470,310.77/x
  3. Step 3: Cross multiply
    520,797.67x = 779,922.54 × 470,310.77
  4. Step 4: Simplify right side
    520,797.67x = 366,805,972,277.56
  5. Step 5: Solve for x
    x = 366,805,972,277.56/520,797.67
  6. Step 6: Final answer
    x = 704,315.70

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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.