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Finding the Fourth Proportional to 507,533.12, 700,380.96 and 292,708.16

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Solution

The fourth proportional to 507,533.12, 700,380.96 and 292,708.16 is: 403,928.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,533.12 : 700,380.96 = 292,708.16 : x
  2. Step 2: Convert to fraction form
    507,533.12/700,380.96 = 292,708.16/x
  3. Step 3: Cross multiply
    507,533.12x = 700,380.96 × 292,708.16
  4. Step 4: Simplify right side
    507,533.12x = 205,007,222,100.63
  5. Step 5: Solve for x
    x = 205,007,222,100.63/507,533.12
  6. Step 6: Final answer
    x = 403,928.76

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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.