Home / 761,340.48-1,142,011.56-228,861.45

Finding the Fourth Proportional to 761,340.48, 1,142,011.56 and 228,861.45

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Solution

The fourth proportional to 761,340.48, 1,142,011.56 and 228,861.45 is: 343,292.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,340.48 : 1,142,011.56 = 228,861.45 : x
  2. Step 2: Convert to fraction form
    761,340.48/1,142,011.56 = 228,861.45/x
  3. Step 3: Cross multiply
    761,340.48x = 1,142,011.56 × 228,861.45
  4. Step 4: Simplify right side
    761,340.48x = 261,362,421,538.36
  5. Step 5: Solve for x
    x = 261,362,421,538.36/761,340.48
  6. Step 6: Final answer
    x = 343,292.43

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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.