Home / 760,015.10-1,139,378.77-333,227.48

Finding the Fourth Proportional to 760,015.10, 1,139,378.77 and 333,227.48

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Solution

The fourth proportional to 760,015.10, 1,139,378.77 and 333,227.48 is: 499,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,015.10 : 1,139,378.77 = 333,227.48 : x
  2. Step 2: Convert to fraction form
    760,015.10/1,139,378.77 = 333,227.48/x
  3. Step 3: Cross multiply
    760,015.10x = 1,139,378.77 × 333,227.48
  4. Step 4: Simplify right side
    760,015.10x = 379,672,309,762.64
  5. Step 5: Solve for x
    x = 379,672,309,762.64/760,015.10
  6. Step 6: Final answer
    x = 499,558.91

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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.