Home / 716,923.80-1,075,385.70-218,287.80

Finding the Fourth Proportional to 716,923.80, 1,075,385.70 and 218,287.80

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Solution

The fourth proportional to 716,923.80, 1,075,385.70 and 218,287.80 is: 327,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,923.80 : 1,075,385.70 = 218,287.80 : x
  2. Step 2: Convert to fraction form
    716,923.80/1,075,385.70 = 218,287.80/x
  3. Step 3: Cross multiply
    716,923.80x = 1,075,385.70 × 218,287.80
  4. Step 4: Simplify right side
    716,923.80x = 234,743,578,604.46
  5. Step 5: Solve for x
    x = 234,743,578,604.46/716,923.80
  6. Step 6: Final answer
    x = 327,431.70

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Similar ratio
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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.