Home / 880,344.54-1,320,895.89-475,455.51

Finding the Fourth Proportional to 880,344.54, 1,320,895.89 and 475,455.51

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Solution

The fourth proportional to 880,344.54, 1,320,895.89 and 475,455.51 is: 713,388.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,344.54 : 1,320,895.89 = 475,455.51 : x
  2. Step 2: Convert to fraction form
    880,344.54/1,320,895.89 = 475,455.51/x
  3. Step 3: Cross multiply
    880,344.54x = 1,320,895.89 × 475,455.51
  4. Step 4: Simplify right side
    880,344.54x = 628,027,229,036.85
  5. Step 5: Solve for x
    x = 628,027,229,036.85/880,344.54
  6. Step 6: Final answer
    x = 713,388.00

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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.