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Finding the Fourth Proportional to 604,917.87, 906,851.93 and 305,148.21

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Solution

The fourth proportional to 604,917.87, 906,851.93 and 305,148.21 is: 457,457.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,917.87 : 906,851.93 = 305,148.21 : x
  2. Step 2: Convert to fraction form
    604,917.87/906,851.93 = 305,148.21/x
  3. Step 3: Cross multiply
    604,917.87x = 906,851.93 × 305,148.21
  4. Step 4: Simplify right side
    604,917.87x = 276,724,241,648.80
  5. Step 5: Solve for x
    x = 276,724,241,648.80/604,917.87
  6. Step 6: Final answer
    x = 457,457.54

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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.