Home / 438,946.66-658,372.14-297,699.28

Finding the Fourth Proportional to 438,946.66, 658,372.14 and 297,699.28

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Solution

The fourth proportional to 438,946.66, 658,372.14 and 297,699.28 is: 446,516.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,946.66 : 658,372.14 = 297,699.28 : x
  2. Step 2: Convert to fraction form
    438,946.66/658,372.14 = 297,699.28/x
  3. Step 3: Cross multiply
    438,946.66x = 658,372.14 × 297,699.28
  4. Step 4: Simplify right side
    438,946.66x = 195,996,912,050.06
  5. Step 5: Solve for x
    x = 195,996,912,050.06/438,946.66
  6. Step 6: Final answer
    x = 446,516.47

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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.