Home / 477,828.18-717,074.24-308,929.58

Finding the Fourth Proportional to 477,828.18, 717,074.24 and 308,929.58

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Solution

The fourth proportional to 477,828.18, 717,074.24 and 308,929.58 is: 463,609.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,828.18 : 717,074.24 = 308,929.58 : x
  2. Step 2: Convert to fraction form
    477,828.18/717,074.24 = 308,929.58/x
  3. Step 3: Cross multiply
    477,828.18x = 717,074.24 × 308,929.58
  4. Step 4: Simplify right side
    477,828.18x = 221,525,446,982.78
  5. Step 5: Solve for x
    x = 221,525,446,982.78/477,828.18
  6. Step 6: Final answer
    x = 463,609.01

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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.