Home / 943,341.19-1,415,233.22-312,255

Finding the Fourth Proportional to 943,341.19, 1,415,233.22 and 312,255

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Solution

The fourth proportional to 943,341.19, 1,415,233.22 and 312,255 is: 468,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,341.19 : 1,415,233.22 = 312,255 : x
  2. Step 2: Convert to fraction form
    943,341.19/1,415,233.22 = 312,255/x
  3. Step 3: Cross multiply
    943,341.19x = 1,415,233.22 × 312,255
  4. Step 4: Simplify right side
    943,341.19x = 441,913,647,549.83
  5. Step 5: Solve for x
    x = 441,913,647,549.83/943,341.19
  6. Step 6: Final answer
    x = 468,455.80

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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.