Home / 419,276.07-578,595.24-228,289.50

Finding the Fourth Proportional to 419,276.07, 578,595.24 and 228,289.50

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Solution

The fourth proportional to 419,276.07, 578,595.24 and 228,289.50 is: 315,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,276.07 : 578,595.24 = 228,289.50 : x
  2. Step 2: Convert to fraction form
    419,276.07/578,595.24 = 228,289.50/x
  3. Step 3: Cross multiply
    419,276.07x = 578,595.24 × 228,289.50
  4. Step 4: Simplify right side
    419,276.07x = 132,087,218,041.98
  5. Step 5: Solve for x
    x = 132,087,218,041.98/419,276.07
  6. Step 6: Final answer
    x = 315,036.39

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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.