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Finding the Fourth Proportional to 507,075.72, 760,612.86 and 203,606.52

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Solution

The fourth proportional to 507,075.72, 760,612.86 and 203,606.52 is: 305,409.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,075.72 : 760,612.86 = 203,606.52 : x
  2. Step 2: Convert to fraction form
    507,075.72/760,612.86 = 203,606.52/x
  3. Step 3: Cross multiply
    507,075.72x = 760,612.86 × 203,606.52
  4. Step 4: Simplify right side
    507,075.72x = 154,865,737,491.85
  5. Step 5: Solve for x
    x = 154,865,737,491.85/507,075.72
  6. Step 6: Final answer
    x = 305,409.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.