Home / 556,828.05-768,423.27-302,179.24

Finding the Fourth Proportional to 556,828.05, 768,423.27 and 302,179.24

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Solution

The fourth proportional to 556,828.05, 768,423.27 and 302,179.24 is: 417,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,828.05 : 768,423.27 = 302,179.24 : x
  2. Step 2: Convert to fraction form
    556,828.05/768,423.27 = 302,179.24/x
  3. Step 3: Cross multiply
    556,828.05x = 768,423.27 × 302,179.24
  4. Step 4: Simplify right side
    556,828.05x = 232,201,561,820.62
  5. Step 5: Solve for x
    x = 232,201,561,820.62/556,828.05
  6. Step 6: Final answer
    x = 417,007.66

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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.