Home / 757,270.48-1,045,036.84-417,738.72

Finding the Fourth Proportional to 757,270.48, 1,045,036.84 and 417,738.72

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Solution

The fourth proportional to 757,270.48, 1,045,036.84 and 417,738.72 is: 576,481.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,270.48 : 1,045,036.84 = 417,738.72 : x
  2. Step 2: Convert to fraction form
    757,270.48/1,045,036.84 = 417,738.72/x
  3. Step 3: Cross multiply
    757,270.48x = 1,045,036.84 × 417,738.72
  4. Step 4: Simplify right side
    757,270.48x = 436,552,351,894.45
  5. Step 5: Solve for x
    x = 436,552,351,894.45/757,270.48
  6. Step 6: Final answer
    x = 576,481.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.