Home / 550,112.21-759,403.55-346,462.41

Finding the Fourth Proportional to 550,112.21, 759,403.55 and 346,462.41

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Solution

The fourth proportional to 550,112.21, 759,403.55 and 346,462.41 is: 478,274.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,112.21 : 759,403.55 = 346,462.41 : x
  2. Step 2: Convert to fraction form
    550,112.21/759,403.55 = 346,462.41/x
  3. Step 3: Cross multiply
    550,112.21x = 759,403.55 × 346,462.41
  4. Step 4: Simplify right side
    550,112.21x = 263,104,787,809.48
  5. Step 5: Solve for x
    x = 263,104,787,809.48/550,112.21
  6. Step 6: Final answer
    x = 478,274.77

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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.