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Finding the Fourth Proportional to 670,066, 924,726.50 and 383,629.14

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Solution

The fourth proportional to 670,066, 924,726.50 and 383,629.14 is: 529,428.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,066 : 924,726.50 = 383,629.14 : x
  2. Step 2: Convert to fraction form
    670,066/924,726.50 = 383,629.14/x
  3. Step 3: Cross multiply
    670,066x = 924,726.50 × 383,629.14
  4. Step 4: Simplify right side
    670,066x = 354,752,031,930.21
  5. Step 5: Solve for x
    x = 354,752,031,930.21/670,066
  6. Step 6: Final answer
    x = 529,428.49

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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.