Home / 734,852.05-1,101,994.67-285,513.76

Finding the Fourth Proportional to 734,852.05, 1,101,994.67 and 285,513.76

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Solution

The fourth proportional to 734,852.05, 1,101,994.67 and 285,513.76 is: 428,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,852.05 : 1,101,994.67 = 285,513.76 : x
  2. Step 2: Convert to fraction form
    734,852.05/1,101,994.67 = 285,513.76/x
  3. Step 3: Cross multiply
    734,852.05x = 1,101,994.67 × 285,513.76
  4. Step 4: Simplify right side
    734,852.05x = 314,634,643,822.94
  5. Step 5: Solve for x
    x = 314,634,643,822.94/734,852.05
  6. Step 6: Final answer
    x = 428,160.53

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Double scale
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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.