Home / 434,579.80-652,161.30-256,898.20

Finding the Fourth Proportional to 434,579.80, 652,161.30 and 256,898.20

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Solution

The fourth proportional to 434,579.80, 652,161.30 and 256,898.20 is: 385,519.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,579.80 : 652,161.30 = 256,898.20 : x
  2. Step 2: Convert to fraction form
    434,579.80/652,161.30 = 256,898.20/x
  3. Step 3: Cross multiply
    434,579.80x = 652,161.30 × 256,898.20
  4. Step 4: Simplify right side
    434,579.80x = 167,539,064,079.66
  5. Step 5: Solve for x
    x = 167,539,064,079.66/434,579.80
  6. Step 6: Final answer
    x = 385,519.68

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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.