Home / 815,240.40-1,223,033.40-246,574.80

Finding the Fourth Proportional to 815,240.40, 1,223,033.40 and 246,574.80

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Solution

The fourth proportional to 815,240.40, 1,223,033.40 and 246,574.80 is: 369,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,240.40 : 1,223,033.40 = 246,574.80 : x
  2. Step 2: Convert to fraction form
    815,240.40/1,223,033.40 = 246,574.80/x
  3. Step 3: Cross multiply
    815,240.40x = 1,223,033.40 × 246,574.80
  4. Step 4: Simplify right side
    815,240.40x = 301,569,215,998.32
  5. Step 5: Solve for x
    x = 301,569,215,998.32/815,240.40
  6. Step 6: Final answer
    x = 369,914.46

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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.