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Finding the Fourth Proportional to 658,699.02, 909,007.92 and 356,893.02

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Solution

The fourth proportional to 658,699.02, 909,007.92 and 356,893.02 is: 492,514.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,699.02 : 909,007.92 = 356,893.02 : x
  2. Step 2: Convert to fraction form
    658,699.02/909,007.92 = 356,893.02/x
  3. Step 3: Cross multiply
    658,699.02x = 909,007.92 × 356,893.02
  4. Step 4: Simplify right side
    658,699.02x = 324,418,581,772.72
  5. Step 5: Solve for x
    x = 324,418,581,772.72/658,699.02
  6. Step 6: Final answer
    x = 492,514.14

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1.5x scale

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.