Home / 654,961.20-903,782.10-368,475.15

Finding the Fourth Proportional to 654,961.20, 903,782.10 and 368,475.15

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Solution

The fourth proportional to 654,961.20, 903,782.10 and 368,475.15 is: 508,459.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,961.20 : 903,782.10 = 368,475.15 : x
  2. Step 2: Convert to fraction form
    654,961.20/903,782.10 = 368,475.15/x
  3. Step 3: Cross multiply
    654,961.20x = 903,782.10 × 368,475.15
  4. Step 4: Simplify right side
    654,961.20x = 333,021,244,864.82
  5. Step 5: Solve for x
    x = 333,021,244,864.82/654,961.20
  6. Step 6: Final answer
    x = 508,459.50

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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.