Home / 739,203.02-1,108,327.80-289,969.28

Finding the Fourth Proportional to 739,203.02, 1,108,327.80 and 289,969.28

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Solution

The fourth proportional to 739,203.02, 1,108,327.80 and 289,969.28 is: 434,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,203.02 : 1,108,327.80 = 289,969.28 : x
  2. Step 2: Convert to fraction form
    739,203.02/1,108,327.80 = 289,969.28/x
  3. Step 3: Cross multiply
    739,203.02x = 1,108,327.80 × 289,969.28
  4. Step 4: Simplify right side
    739,203.02x = 321,381,014,169.98
  5. Step 5: Solve for x
    x = 321,381,014,169.98/739,203.02
  6. Step 6: Final answer
    x = 434,766.91

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1.5x scale

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.