Home / 770,928.28-1,155,727.90-371,849.54

Finding the Fourth Proportional to 770,928.28, 1,155,727.90 and 371,849.54

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Solution

The fourth proportional to 770,928.28, 1,155,727.90 and 371,849.54 is: 557,453.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,928.28 : 1,155,727.90 = 371,849.54 : x
  2. Step 2: Convert to fraction form
    770,928.28/1,155,727.90 = 371,849.54/x
  3. Step 3: Cross multiply
    770,928.28x = 1,155,727.90 × 371,849.54
  4. Step 4: Simplify right side
    770,928.28x = 429,756,880,574.69
  5. Step 5: Solve for x
    x = 429,756,880,574.69/770,928.28
  6. Step 6: Final answer
    x = 557,453.77

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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.