Home / 903,976.40-1,355,921.40-304,878.80

Finding the Fourth Proportional to 903,976.40, 1,355,921.40 and 304,878.80

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Solution

The fourth proportional to 903,976.40, 1,355,921.40 and 304,878.80 is: 457,303.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,976.40 : 1,355,921.40 = 304,878.80 : x
  2. Step 2: Convert to fraction form
    903,976.40/1,355,921.40 = 304,878.80/x
  3. Step 3: Cross multiply
    903,976.40x = 1,355,921.40 × 304,878.80
  4. Step 4: Simplify right side
    903,976.40x = 413,391,689,326.32
  5. Step 5: Solve for x
    x = 413,391,689,326.32/903,976.40
  6. Step 6: Final answer
    x = 457,303.63

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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.