Home / 651,633.48-899,239.59-379,684.44

Finding the Fourth Proportional to 651,633.48, 899,239.59 and 379,684.44

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Solution

The fourth proportional to 651,633.48, 899,239.59 and 379,684.44 is: 523,956.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,633.48 : 899,239.59 = 379,684.44 : x
  2. Step 2: Convert to fraction form
    651,633.48/899,239.59 = 379,684.44/x
  3. Step 3: Cross multiply
    651,633.48x = 899,239.59 × 379,684.44
  4. Step 4: Simplify right side
    651,633.48x = 341,427,280,154.98
  5. Step 5: Solve for x
    x = 341,427,280,154.98/651,633.48
  6. Step 6: Final answer
    x = 523,956.01

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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.