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Finding the Fourth Proportional to 536,946.86, 740,987.18 and 295,233.54

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Solution

The fourth proportional to 536,946.86, 740,987.18 and 295,233.54 is: 407,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,946.86 : 740,987.18 = 295,233.54 : x
  2. Step 2: Convert to fraction form
    536,946.86/740,987.18 = 295,233.54/x
  3. Step 3: Cross multiply
    536,946.86x = 740,987.18 × 295,233.54
  4. Step 4: Simplify right side
    536,946.86x = 218,764,266,769.85
  5. Step 5: Solve for x
    x = 218,764,266,769.85/536,946.86
  6. Step 6: Final answer
    x = 407,422.57

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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.