Home / 757,647.06-1,045,550.80-418,112.88

Finding the Fourth Proportional to 757,647.06, 1,045,550.80 and 418,112.88

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Solution

The fourth proportional to 757,647.06, 1,045,550.80 and 418,112.88 is: 576,994.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,647.06 : 1,045,550.80 = 418,112.88 : x
  2. Step 2: Convert to fraction form
    757,647.06/1,045,550.80 = 418,112.88/x
  3. Step 3: Cross multiply
    757,647.06x = 1,045,550.80 × 418,112.88
  4. Step 4: Simplify right side
    757,647.06x = 437,158,248,855.99
  5. Step 5: Solve for x
    x = 437,158,248,855.99/757,647.06
  6. Step 6: Final answer
    x = 576,994.59

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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.