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Finding the Fourth Proportional to 531,479.89, 733,410.64 and 302,005.33

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Solution

The fourth proportional to 531,479.89, 733,410.64 and 302,005.33 is: 416,749.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,479.89 : 733,410.64 = 302,005.33 : x
  2. Step 2: Convert to fraction form
    531,479.89/733,410.64 = 302,005.33/x
  3. Step 3: Cross multiply
    531,479.89x = 733,410.64 × 302,005.33
  4. Step 4: Simplify right side
    531,479.89x = 221,493,922,358.71
  5. Step 5: Solve for x
    x = 221,493,922,358.71/531,479.89
  6. Step 6: Final answer
    x = 416,749.39

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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.