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Finding the Fourth Proportional to 536,889.11, 740,907.45 and 295,175.79

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Solution

The fourth proportional to 536,889.11, 740,907.45 and 295,175.79 is: 407,342.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,889.11 : 740,907.45 = 295,175.79 : x
  2. Step 2: Convert to fraction form
    536,889.11/740,907.45 = 295,175.79/x
  3. Step 3: Cross multiply
    536,889.11x = 740,907.45 × 295,175.79
  4. Step 4: Simplify right side
    536,889.11x = 218,697,941,870.64
  5. Step 5: Solve for x
    x = 218,697,941,870.64/536,889.11
  6. Step 6: Final answer
    x = 407,342.86

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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.