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Finding the Fourth Proportional to 536,484.78, 740,165.89 and 332,461.26

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Solution

The fourth proportional to 536,484.78, 740,165.89 and 332,461.26 is: 458,683.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,484.78 : 740,165.89 = 332,461.26 : x
  2. Step 2: Convert to fraction form
    536,484.78/740,165.89 = 332,461.26/x
  3. Step 3: Cross multiply
    536,484.78x = 740,165.89 × 332,461.26
  4. Step 4: Simplify right side
    536,484.78x = 246,076,483,567.27
  5. Step 5: Solve for x
    x = 246,076,483,567.27/536,484.78
  6. Step 6: Final answer
    x = 458,683.07

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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.