Home / 665,422.07-918,282.89-359,498.27

Finding the Fourth Proportional to 665,422.07, 918,282.89 and 359,498.27

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Solution

The fourth proportional to 665,422.07, 918,282.89 and 359,498.27 is: 496,107.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,422.07 : 918,282.89 = 359,498.27 : x
  2. Step 2: Convert to fraction form
    665,422.07/918,282.89 = 359,498.27/x
  3. Step 3: Cross multiply
    665,422.07x = 918,282.89 × 359,498.27
  4. Step 4: Simplify right side
    665,422.07x = 330,121,110,325.60
  5. Step 5: Solve for x
    x = 330,121,110,325.60/665,422.07
  6. Step 6: Final answer
    x = 496,107.85

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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.