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Finding the Fourth Proportional to 536,813.16, 740,804.55 and 295,111.26

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Solution

The fourth proportional to 536,813.16, 740,804.55 and 295,111.26 is: 407,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,813.16 : 740,804.55 = 295,111.26 : x
  2. Step 2: Convert to fraction form
    536,813.16/740,804.55 = 295,111.26/x
  3. Step 3: Cross multiply
    536,813.16x = 740,804.55 × 295,111.26
  4. Step 4: Simplify right side
    536,813.16x = 218,619,764,164.23
  5. Step 5: Solve for x
    x = 218,619,764,164.23/536,813.16
  6. Step 6: Final answer
    x = 407,254.85

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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.