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Finding the Fourth Proportional to 507,485.10, 760,989.28 and 294,313.60

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Solution

The fourth proportional to 507,485.10, 760,989.28 and 294,313.60 is: 441,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,485.10 : 760,989.28 = 294,313.60 : x
  2. Step 2: Convert to fraction form
    507,485.10/760,989.28 = 294,313.60/x
  3. Step 3: Cross multiply
    507,485.10x = 760,989.28 × 294,313.60
  4. Step 4: Simplify right side
    507,485.10x = 223,969,494,558.21
  5. Step 5: Solve for x
    x = 223,969,494,558.21/507,485.10
  6. Step 6: Final answer
    x = 441,332.16

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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.