Home / 478,223.02-659,942.80-263,358.51

Finding the Fourth Proportional to 478,223.02, 659,942.80 and 263,358.51

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Solution

The fourth proportional to 478,223.02, 659,942.80 and 263,358.51 is: 363,432.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,223.02 : 659,942.80 = 263,358.51 : x
  2. Step 2: Convert to fraction form
    478,223.02/659,942.80 = 263,358.51/x
  3. Step 3: Cross multiply
    478,223.02x = 659,942.80 × 263,358.51
  4. Step 4: Simplify right side
    478,223.02x = 173,801,552,493.23
  5. Step 5: Solve for x
    x = 173,801,552,493.23/478,223.02
  6. Step 6: Final answer
    x = 363,432.01

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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.