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Finding the Fourth Proportional to 491,504.40, 738,034.20 and 359,312.40

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Solution

The fourth proportional to 491,504.40, 738,034.20 and 359,312.40 is: 539,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,504.40 : 738,034.20 = 359,312.40 : x
  2. Step 2: Convert to fraction form
    491,504.40/738,034.20 = 359,312.40/x
  3. Step 3: Cross multiply
    491,504.40x = 738,034.20 × 359,312.40
  4. Step 4: Simplify right side
    491,504.40x = 265,184,839,684.08
  5. Step 5: Solve for x
    x = 265,184,839,684.08/491,504.40
  6. Step 6: Final answer
    x = 539,537.06

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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.