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Finding the Fourth Proportional to 507,555.09, 760,502.08 and 307,268.42

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Solution

The fourth proportional to 507,555.09, 760,502.08 and 307,268.42 is: 460,399.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,555.09 : 760,502.08 = 307,268.42 : x
  2. Step 2: Convert to fraction form
    507,555.09/760,502.08 = 307,268.42/x
  3. Step 3: Cross multiply
    507,555.09x = 760,502.08 × 307,268.42
  4. Step 4: Simplify right side
    507,555.09x = 233,678,267,189.46
  5. Step 5: Solve for x
    x = 233,678,267,189.46/507,555.09
  6. Step 6: Final answer
    x = 460,399.81

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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.