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Finding the Fourth Proportional to 536,433, 740,290.58 and 294,731.22

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Solution

The fourth proportional to 536,433, 740,290.58 and 294,731.22 is: 406,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,433 : 740,290.58 = 294,731.22 : x
  2. Step 2: Convert to fraction form
    536,433/740,290.58 = 294,731.22/x
  3. Step 3: Cross multiply
    536,433x = 740,290.58 × 294,731.22
  4. Step 4: Simplify right side
    536,433x = 218,186,744,324.25
  5. Step 5: Solve for x
    x = 218,186,744,324.25/536,433
  6. Step 6: Final answer
    x = 406,736.25

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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.