Home / 761,331.64-1,141,998.32-228,852.67

Finding the Fourth Proportional to 761,331.64, 1,141,998.32 and 228,852.67

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Solution

The fourth proportional to 761,331.64, 1,141,998.32 and 228,852.67 is: 343,279.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,331.64 : 1,141,998.32 = 228,852.67 : x
  2. Step 2: Convert to fraction form
    761,331.64/1,141,998.32 = 228,852.67/x
  3. Step 3: Cross multiply
    761,331.64x = 1,141,998.32 × 228,852.67
  4. Step 4: Simplify right side
    761,331.64x = 261,349,364,667.51
  5. Step 5: Solve for x
    x = 261,349,364,667.51/761,331.64
  6. Step 6: Final answer
    x = 343,279.26

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Double scale
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Similar ratio
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1.5x scale

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.