Home / 903,005.20-1,354,707.60-303,946.75

Finding the Fourth Proportional to 903,005.20, 1,354,707.60 and 303,946.75

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Solution

The fourth proportional to 903,005.20, 1,354,707.60 and 303,946.75 is: 455,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,005.20 : 1,354,707.60 = 303,946.75 : x
  2. Step 2: Convert to fraction form
    903,005.20/1,354,707.60 = 303,946.75/x
  3. Step 3: Cross multiply
    903,005.20x = 1,354,707.60 × 303,946.75
  4. Step 4: Simplify right side
    903,005.20x = 411,758,972,220.30
  5. Step 5: Solve for x
    x = 411,758,972,220.30/903,005.20
  6. Step 6: Final answer
    x = 455,987.38

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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.