Home / 1,019,604.33-1,529,408.93-309,637.71

Finding the Fourth Proportional to 1,019,604.33, 1,529,408.93 and 309,637.71

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Solution

The fourth proportional to 1,019,604.33, 1,529,408.93 and 309,637.71 is: 464,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,604.33 : 1,529,408.93 = 309,637.71 : x
  2. Step 2: Convert to fraction form
    1,019,604.33/1,529,408.93 = 309,637.71/x
  3. Step 3: Cross multiply
    1,019,604.33x = 1,529,408.93 × 309,637.71
  4. Step 4: Simplify right side
    1,019,604.33x = 473,562,677,190.56
  5. Step 5: Solve for x
    x = 473,562,677,190.56/1,019,604.33
  6. Step 6: Final answer
    x = 464,457.30

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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.