Home / 529,929.21-731,407.33-300,491.04

Finding the Fourth Proportional to 529,929.21, 731,407.33 and 300,491.04

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Solution

The fourth proportional to 529,929.21, 731,407.33 and 300,491.04 is: 414,737.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,929.21 : 731,407.33 = 300,491.04 : x
  2. Step 2: Convert to fraction form
    529,929.21/731,407.33 = 300,491.04/x
  3. Step 3: Cross multiply
    529,929.21x = 731,407.33 × 300,491.04
  4. Step 4: Simplify right side
    529,929.21x = 219,781,349,255.32
  5. Step 5: Solve for x
    x = 219,781,349,255.32/529,929.21
  6. Step 6: Final answer
    x = 414,737.19

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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.