Home / 840,449.25-1,159,820.01-458,477.55

Finding the Fourth Proportional to 840,449.25, 1,159,820.01 and 458,477.55

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Solution

The fourth proportional to 840,449.25, 1,159,820.01 and 458,477.55 is: 632,699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,449.25 : 1,159,820.01 = 458,477.55 : x
  2. Step 2: Convert to fraction form
    840,449.25/1,159,820.01 = 458,477.55/x
  3. Step 3: Cross multiply
    840,449.25x = 1,159,820.01 × 458,477.55
  4. Step 4: Simplify right side
    840,449.25x = 531,751,436,625.78
  5. Step 5: Solve for x
    x = 531,751,436,625.78/840,449.25
  6. Step 6: Final answer
    x = 632,699.04

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1.5x scale

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.