Home / 645,827.34-968,741.82-308,788.77

Finding the Fourth Proportional to 645,827.34, 968,741.82 and 308,788.77

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Solution

The fourth proportional to 645,827.34, 968,741.82 and 308,788.77 is: 463,183.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,827.34 : 968,741.82 = 308,788.77 : x
  2. Step 2: Convert to fraction form
    645,827.34/968,741.82 = 308,788.77/x
  3. Step 3: Cross multiply
    645,827.34x = 968,741.82 × 308,788.77
  4. Step 4: Simplify right side
    645,827.34x = 299,136,595,045.36
  5. Step 5: Solve for x
    x = 299,136,595,045.36/645,827.34
  6. Step 6: Final answer
    x = 463,183.54

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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.