Home / 419,260.59-578,590.02-228,284.46

Finding the Fourth Proportional to 419,260.59, 578,590.02 and 228,284.46

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Solution

The fourth proportional to 419,260.59, 578,590.02 and 228,284.46 is: 315,038.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,260.59 : 578,590.02 = 228,284.46 : x
  2. Step 2: Convert to fraction form
    419,260.59/578,590.02 = 228,284.46/x
  3. Step 3: Cross multiply
    419,260.59x = 578,590.02 × 228,284.46
  4. Step 4: Simplify right side
    419,260.59x = 132,083,110,277.09
  5. Step 5: Solve for x
    x = 132,083,110,277.09/419,260.59
  6. Step 6: Final answer
    x = 315,038.22

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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.