Home / 688,199.55-1,032,299.33-449,051.10

Finding the Fourth Proportional to 688,199.55, 1,032,299.33 and 449,051.10

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Solution

The fourth proportional to 688,199.55, 1,032,299.33 and 449,051.10 is: 673,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,199.55 : 1,032,299.33 = 449,051.10 : x
  2. Step 2: Convert to fraction form
    688,199.55/1,032,299.33 = 449,051.10/x
  3. Step 3: Cross multiply
    688,199.55x = 1,032,299.33 × 449,051.10
  4. Step 4: Simplify right side
    688,199.55x = 463,555,147,420.51
  5. Step 5: Solve for x
    x = 463,555,147,420.51/688,199.55
  6. Step 6: Final answer
    x = 673,576.65

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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.