Home / 1,477,971.87-2,216,953.70-356,040.87

Finding the Fourth Proportional to 1,477,971.87, 2,216,953.70 and 356,040.87

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Solution

The fourth proportional to 1,477,971.87, 2,216,953.70 and 356,040.87 is: 534,060.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,971.87 : 2,216,953.70 = 356,040.87 : x
  2. Step 2: Convert to fraction form
    1,477,971.87/2,216,953.70 = 356,040.87/x
  3. Step 3: Cross multiply
    1,477,971.87x = 2,216,953.70 × 356,040.87
  4. Step 4: Simplify right side
    1,477,971.87x = 789,326,115,339.09
  5. Step 5: Solve for x
    x = 789,326,115,339.09/1,477,971.87
  6. Step 6: Final answer
    x = 534,060.31

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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.