Home / 943,970.51-1,415,007.73-303,803.81

Finding the Fourth Proportional to 943,970.51, 1,415,007.73 and 303,803.81

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Solution

The fourth proportional to 943,970.51, 1,415,007.73 and 303,803.81 is: 455,400.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,970.51 : 1,415,007.73 = 303,803.81 : x
  2. Step 2: Convert to fraction form
    943,970.51/1,415,007.73 = 303,803.81/x
  3. Step 3: Cross multiply
    943,970.51x = 1,415,007.73 × 303,803.81
  4. Step 4: Simplify right side
    943,970.51x = 429,884,746,123.87
  5. Step 5: Solve for x
    x = 429,884,746,123.87/943,970.51
  6. Step 6: Final answer
    x = 455,400.61

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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.