Home / 777,947.28-1,166,817.24-217,038.48

Finding the Fourth Proportional to 777,947.28, 1,166,817.24 and 217,038.48

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Solution

The fourth proportional to 777,947.28, 1,166,817.24 and 217,038.48 is: 325,528.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,947.28 : 1,166,817.24 = 217,038.48 : x
  2. Step 2: Convert to fraction form
    777,947.28/1,166,817.24 = 217,038.48/x
  3. Step 3: Cross multiply
    777,947.28x = 1,166,817.24 × 217,038.48
  4. Step 4: Simplify right side
    777,947.28x = 253,244,240,207.40
  5. Step 5: Solve for x
    x = 253,244,240,207.40/777,947.28
  6. Step 6: Final answer
    x = 325,528.79

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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.