Home / 759,912.30-1,049,571.27-607,478.40

Finding the Fourth Proportional to 759,912.30, 1,049,571.27 and 607,478.40

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Solution

The fourth proportional to 759,912.30, 1,049,571.27 and 607,478.40 is: 839,033.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,912.30 : 1,049,571.27 = 607,478.40 : x
  2. Step 2: Convert to fraction form
    759,912.30/1,049,571.27 = 607,478.40/x
  3. Step 3: Cross multiply
    759,912.30x = 1,049,571.27 × 607,478.40
  4. Step 4: Simplify right side
    759,912.30x = 637,591,875,785.57
  5. Step 5: Solve for x
    x = 637,591,875,785.57/759,912.30
  6. Step 6: Final answer
    x = 839,033.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.