Home / 438,935.66-658,355.64-297,688.26

Finding the Fourth Proportional to 438,935.66, 658,355.64 and 297,688.26

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Solution

The fourth proportional to 438,935.66, 658,355.64 and 297,688.26 is: 446,499.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,935.66 : 658,355.64 = 297,688.26 : x
  2. Step 2: Convert to fraction form
    438,935.66/658,355.64 = 297,688.26/x
  3. Step 3: Cross multiply
    438,935.66x = 658,355.64 × 297,688.26
  4. Step 4: Simplify right side
    438,935.66x = 195,984,744,932.79
  5. Step 5: Solve for x
    x = 195,984,744,932.79/438,935.66
  6. Step 6: Final answer
    x = 446,499.94

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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.