Home / 738,093.30-1,106,811.90-288,664.80

Finding the Fourth Proportional to 738,093.30, 1,106,811.90 and 288,664.80

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Solution

The fourth proportional to 738,093.30, 1,106,811.90 and 288,664.80 is: 432,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,093.30 : 1,106,811.90 = 288,664.80 : x
  2. Step 2: Convert to fraction form
    738,093.30/1,106,811.90 = 288,664.80/x
  3. Step 3: Cross multiply
    738,093.30x = 1,106,811.90 × 288,664.80
  4. Step 4: Simplify right side
    738,093.30x = 319,497,635,751.12
  5. Step 5: Solve for x
    x = 319,497,635,751.12/738,093.30
  6. Step 6: Final answer
    x = 432,868.90

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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.