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Finding the Fourth Proportional to 607,923.76, 911,696.10 and 228,897.22

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Solution

The fourth proportional to 607,923.76, 911,696.10 and 228,897.22 is: 343,274.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,923.76 : 911,696.10 = 228,897.22 : x
  2. Step 2: Convert to fraction form
    607,923.76/911,696.10 = 228,897.22/x
  3. Step 3: Cross multiply
    607,923.76x = 911,696.10 × 228,897.22
  4. Step 4: Simplify right side
    607,923.76x = 208,684,702,774.84
  5. Step 5: Solve for x
    x = 208,684,702,774.84/607,923.76
  6. Step 6: Final answer
    x = 343,274.46

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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.