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Finding the Fourth Proportional to 507,646.05, 700,462.73 and 289,755.24

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Solution

The fourth proportional to 507,646.05, 700,462.73 and 289,755.24 is: 399,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,646.05 : 700,462.73 = 289,755.24 : x
  2. Step 2: Convert to fraction form
    507,646.05/700,462.73 = 289,755.24/x
  3. Step 3: Cross multiply
    507,646.05x = 700,462.73 × 289,755.24
  4. Step 4: Simplify right side
    507,646.05x = 202,962,747,166.59
  5. Step 5: Solve for x
    x = 202,962,747,166.59/507,646.05
  6. Step 6: Final answer
    x = 399,811.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.