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Finding the Fourth Proportional to 542,795.84, 749,147.88 and 301,156.28

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Solution

The fourth proportional to 542,795.84, 749,147.88 and 301,156.28 is: 415,645.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,795.84 : 749,147.88 = 301,156.28 : x
  2. Step 2: Convert to fraction form
    542,795.84/749,147.88 = 301,156.28/x
  3. Step 3: Cross multiply
    542,795.84x = 749,147.88 × 301,156.28
  4. Step 4: Simplify right side
    542,795.84x = 225,610,588,710.69
  5. Step 5: Solve for x
    x = 225,610,588,710.69/542,795.84
  6. Step 6: Final answer
    x = 415,645.39

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1.5x scale

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.