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Finding the Fourth Proportional to 500,230.52, 749,925.29 and 405,225.12

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Solution

The fourth proportional to 500,230.52, 749,925.29 and 405,225.12 is: 607,497.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,230.52 : 749,925.29 = 405,225.12 : x
  2. Step 2: Convert to fraction form
    500,230.52/749,925.29 = 405,225.12/x
  3. Step 3: Cross multiply
    500,230.52x = 749,925.29 × 405,225.12
  4. Step 4: Simplify right side
    500,230.52x = 303,888,563,832.13
  5. Step 5: Solve for x
    x = 303,888,563,832.13/500,230.52
  6. Step 6: Final answer
    x = 607,497.04

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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.