Home / 760,009.70-1,139,370.69-333,222.08

Finding the Fourth Proportional to 760,009.70, 1,139,370.69 and 333,222.08

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Solution

The fourth proportional to 760,009.70, 1,139,370.69 and 333,222.08 is: 499,550.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,009.70 : 1,139,370.69 = 333,222.08 : x
  2. Step 2: Convert to fraction form
    760,009.70/1,139,370.69 = 333,222.08/x
  3. Step 3: Cross multiply
    760,009.70x = 1,139,370.69 × 333,222.08
  4. Step 4: Simplify right side
    760,009.70x = 379,663,469,501.47
  5. Step 5: Solve for x
    x = 379,663,469,501.47/760,009.70
  6. Step 6: Final answer
    x = 499,550.82

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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.