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Finding the Fourth Proportional to 670,094, 924,729.72 and 368,288

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Solution

The fourth proportional to 670,094, 924,729.72 and 368,288 is: 508,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,094 : 924,729.72 = 368,288 : x
  2. Step 2: Convert to fraction form
    670,094/924,729.72 = 368,288/x
  3. Step 3: Cross multiply
    670,094x = 924,729.72 × 368,288
  4. Step 4: Simplify right side
    670,094x = 340,566,859,119.36
  5. Step 5: Solve for x
    x = 340,566,859,119.36/670,094
  6. Step 6: Final answer
    x = 508,237.44

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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.