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Finding the Fourth Proportional to 567,038.88, 782,511.84 and 312,387.84

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Solution

The fourth proportional to 567,038.88, 782,511.84 and 312,387.84 is: 431,094.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,038.88 : 782,511.84 = 312,387.84 : x
  2. Step 2: Convert to fraction form
    567,038.88/782,511.84 = 312,387.84/x
  3. Step 3: Cross multiply
    567,038.88x = 782,511.84 × 312,387.84
  4. Step 4: Simplify right side
    567,038.88x = 244,447,183,472.03
  5. Step 5: Solve for x
    x = 244,447,183,472.03/567,038.88
  6. Step 6: Final answer
    x = 431,094.22

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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.