Home / 459,742.03-688,284.43-291,452.38

Finding the Fourth Proportional to 459,742.03, 688,284.43 and 291,452.38

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Solution

The fourth proportional to 459,742.03, 688,284.43 and 291,452.38 is: 436,336.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,742.03 : 688,284.43 = 291,452.38 : x
  2. Step 2: Convert to fraction form
    459,742.03/688,284.43 = 291,452.38/x
  3. Step 3: Cross multiply
    459,742.03x = 688,284.43 × 291,452.38
  4. Step 4: Simplify right side
    459,742.03x = 200,602,132,791.10
  5. Step 5: Solve for x
    x = 200,602,132,791.10/459,742.03
  6. Step 6: Final answer
    x = 436,336.29

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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.