Home / 460,142.82-634,899.48-290,278.50

Finding the Fourth Proportional to 460,142.82, 634,899.48 and 290,278.50

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Solution

The fourth proportional to 460,142.82, 634,899.48 and 290,278.50 is: 400,522.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,142.82 : 634,899.48 = 290,278.50 : x
  2. Step 2: Convert to fraction form
    460,142.82/634,899.48 = 290,278.50/x
  3. Step 3: Cross multiply
    460,142.82x = 634,899.48 × 290,278.50
  4. Step 4: Simplify right side
    460,142.82x = 184,297,668,705.18
  5. Step 5: Solve for x
    x = 184,297,668,705.18/460,142.82
  6. Step 6: Final answer
    x = 400,522.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.