Home / 740,888.20-1,111,850.70-320,465.80

Finding the Fourth Proportional to 740,888.20, 1,111,850.70 and 320,465.80

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Solution

The fourth proportional to 740,888.20, 1,111,850.70 and 320,465.80 is: 480,922.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,888.20 : 1,111,850.70 = 320,465.80 : x
  2. Step 2: Convert to fraction form
    740,888.20/1,111,850.70 = 320,465.80/x
  3. Step 3: Cross multiply
    740,888.20x = 1,111,850.70 × 320,465.80
  4. Step 4: Simplify right side
    740,888.20x = 356,310,124,056.06
  5. Step 5: Solve for x
    x = 356,310,124,056.06/740,888.20
  6. Step 6: Final answer
    x = 480,922.93

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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.