Home / 803,268.72-1,205,102.50-398,650.82

Finding the Fourth Proportional to 803,268.72, 1,205,102.50 and 398,650.82

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Solution

The fourth proportional to 803,268.72, 1,205,102.50 and 398,650.82 is: 598,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,268.72 : 1,205,102.50 = 398,650.82 : x
  2. Step 2: Convert to fraction form
    803,268.72/1,205,102.50 = 398,650.82/x
  3. Step 3: Cross multiply
    803,268.72x = 1,205,102.50 × 398,650.82
  4. Step 4: Simplify right side
    803,268.72x = 480,415,101,744.37
  5. Step 5: Solve for x
    x = 480,415,101,744.37/803,268.72
  6. Step 6: Final answer
    x = 598,075.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.