Home / 738,100.80-1,107,093.60-288,734.40

Finding the Fourth Proportional to 738,100.80, 1,107,093.60 and 288,734.40

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Solution

The fourth proportional to 738,100.80, 1,107,093.60 and 288,734.40 is: 433,079.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,100.80 : 1,107,093.60 = 288,734.40 : x
  2. Step 2: Convert to fraction form
    738,100.80/1,107,093.60 = 288,734.40/x
  3. Step 3: Cross multiply
    738,100.80x = 1,107,093.60 × 288,734.40
  4. Step 4: Simplify right side
    738,100.80x = 319,656,006,339.84
  5. Step 5: Solve for x
    x = 319,656,006,339.84/738,100.80
  6. Step 6: Final answer
    x = 433,079.07

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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.