Home / 507,638.58-760,922.04-170,359.44

Finding the Fourth Proportional to 507,638.58, 760,922.04 and 170,359.44

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Solution

The fourth proportional to 507,638.58, 760,922.04 and 170,359.44 is: 255,359.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,638.58 : 760,922.04 = 170,359.44 : x
  2. Step 2: Convert to fraction form
    507,638.58/760,922.04 = 170,359.44/x
  3. Step 3: Cross multiply
    507,638.58x = 760,922.04 × 170,359.44
  4. Step 4: Simplify right side
    507,638.58x = 129,630,252,618.06
  5. Step 5: Solve for x
    x = 129,630,252,618.06/507,638.58
  6. Step 6: Final answer
    x = 255,359.34

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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.