Home / 985,376.79-1,477,408.77-354,208.59

Finding the Fourth Proportional to 985,376.79, 1,477,408.77 and 354,208.59

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Solution

The fourth proportional to 985,376.79, 1,477,408.77 and 354,208.59 is: 531,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,376.79 : 1,477,408.77 = 354,208.59 : x
  2. Step 2: Convert to fraction form
    985,376.79/1,477,408.77 = 354,208.59/x
  3. Step 3: Cross multiply
    985,376.79x = 1,477,408.77 × 354,208.59
  4. Step 4: Simplify right side
    985,376.79x = 523,310,877,275.33
  5. Step 5: Solve for x
    x = 523,310,877,275.33/985,376.79
  6. Step 6: Final answer
    x = 531,076.93

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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.