Home / 753,400.32-1,130,093.58-303,802.80

Finding the Fourth Proportional to 753,400.32, 1,130,093.58 and 303,802.80

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Solution

The fourth proportional to 753,400.32, 1,130,093.58 and 303,802.80 is: 455,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,400.32 : 1,130,093.58 = 303,802.80 : x
  2. Step 2: Convert to fraction form
    753,400.32/1,130,093.58 = 303,802.80/x
  3. Step 3: Cross multiply
    753,400.32x = 1,130,093.58 × 303,802.80
  4. Step 4: Simplify right side
    753,400.32x = 343,325,593,866.02
  5. Step 5: Solve for x
    x = 343,325,593,866.02/753,400.32
  6. Step 6: Final answer
    x = 455,701.42

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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.