Home / 734,985.20-1,102,633.64-261,669.20

Finding the Fourth Proportional to 734,985.20, 1,102,633.64 and 261,669.20

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Solution

The fourth proportional to 734,985.20, 1,102,633.64 and 261,669.20 is: 392,559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,985.20 : 1,102,633.64 = 261,669.20 : x
  2. Step 2: Convert to fraction form
    734,985.20/1,102,633.64 = 261,669.20/x
  3. Step 3: Cross multiply
    734,985.20x = 1,102,633.64 × 261,669.20
  4. Step 4: Simplify right side
    734,985.20x = 288,525,255,650.37
  5. Step 5: Solve for x
    x = 288,525,255,650.37/734,985.20
  6. Step 6: Final answer
    x = 392,559.28

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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.