Home / 529,928.81-731,302.11-297,323.64

Finding the Fourth Proportional to 529,928.81, 731,302.11 and 297,323.64

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Solution

The fourth proportional to 529,928.81, 731,302.11 and 297,323.64 is: 410,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,928.81 : 731,302.11 = 297,323.64 : x
  2. Step 2: Convert to fraction form
    529,928.81/731,302.11 = 297,323.64/x
  3. Step 3: Cross multiply
    529,928.81x = 731,302.11 × 297,323.64
  4. Step 4: Simplify right side
    529,928.81x = 217,433,405,284.88
  5. Step 5: Solve for x
    x = 217,433,405,284.88/529,928.81
  6. Step 6: Final answer
    x = 410,306.82

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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.