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Finding the Fourth Proportional to 543,975.41, 750,672.44 and 302,258.61

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Solution

The fourth proportional to 543,975.41, 750,672.44 and 302,258.61 is: 417,109.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,975.41 : 750,672.44 = 302,258.61 : x
  2. Step 2: Convert to fraction form
    543,975.41/750,672.44 = 302,258.61/x
  3. Step 3: Cross multiply
    543,975.41x = 750,672.44 × 302,258.61
  4. Step 4: Simplify right side
    543,975.41x = 226,897,206,768.42
  5. Step 5: Solve for x
    x = 226,897,206,768.42/543,975.41
  6. Step 6: Final answer
    x = 417,109.31

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1.5x scale

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.