Home / 542,788.49-749,051.75-301,075.18

Finding the Fourth Proportional to 542,788.49, 749,051.75 and 301,075.18

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Solution

The fourth proportional to 542,788.49, 749,051.75 and 301,075.18 is: 415,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,788.49 : 749,051.75 = 301,075.18 : x
  2. Step 2: Convert to fraction form
    542,788.49/749,051.75 = 301,075.18/x
  3. Step 3: Cross multiply
    542,788.49x = 749,051.75 × 301,075.18
  4. Step 4: Simplify right side
    542,788.49x = 225,520,889,340.62
  5. Step 5: Solve for x
    x = 225,520,889,340.62/542,788.49
  6. Step 6: Final answer
    x = 415,485.76

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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.