Home / 741,553.23-1,112,329.84-342,075.81

Finding the Fourth Proportional to 741,553.23, 1,112,329.84 and 342,075.81

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Solution

The fourth proportional to 741,553.23, 1,112,329.84 and 342,075.81 is: 513,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,553.23 : 1,112,329.84 = 342,075.81 : x
  2. Step 2: Convert to fraction form
    741,553.23/1,112,329.84 = 342,075.81/x
  3. Step 3: Cross multiply
    741,553.23x = 1,112,329.84 × 342,075.81
  4. Step 4: Simplify right side
    741,553.23x = 380,501,129,667.84
  5. Step 5: Solve for x
    x = 380,501,129,667.84/741,553.23
  6. Step 6: Final answer
    x = 513,113.71

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Double scale
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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.