Home / 753,041.28-1,129,527.36-254,409.60

Finding the Fourth Proportional to 753,041.28, 1,129,527.36 and 254,409.60

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Solution

The fourth proportional to 753,041.28, 1,129,527.36 and 254,409.60 is: 381,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,041.28 : 1,129,527.36 = 254,409.60 : x
  2. Step 2: Convert to fraction form
    753,041.28/1,129,527.36 = 254,409.60/x
  3. Step 3: Cross multiply
    753,041.28x = 1,129,527.36 × 254,409.60
  4. Step 4: Simplify right side
    753,041.28x = 287,362,603,846.66
  5. Step 5: Solve for x
    x = 287,362,603,846.66/753,041.28
  6. Step 6: Final answer
    x = 381,602.72

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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.