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Finding the Fourth Proportional to 536,447.04, 740,310 and 294,745.26

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Solution

The fourth proportional to 536,447.04, 740,310 and 294,745.26 is: 406,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,447.04 : 740,310 = 294,745.26 : x
  2. Step 2: Convert to fraction form
    536,447.04/740,310 = 294,745.26/x
  3. Step 3: Cross multiply
    536,447.04x = 740,310 × 294,745.26
  4. Step 4: Simplify right side
    536,447.04x = 218,202,863,430.60
  5. Step 5: Solve for x
    x = 218,202,863,430.60/536,447.04
  6. Step 6: Final answer
    x = 406,755.65

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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.