Home / 507,975.21-762,004.35-255,125.70

Finding the Fourth Proportional to 507,975.21, 762,004.35 and 255,125.70

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Solution

The fourth proportional to 507,975.21, 762,004.35 and 255,125.70 is: 382,709.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,975.21 : 762,004.35 = 255,125.70 : x
  2. Step 2: Convert to fraction form
    507,975.21/762,004.35 = 255,125.70/x
  3. Step 3: Cross multiply
    507,975.21x = 762,004.35 × 255,125.70
  4. Step 4: Simplify right side
    507,975.21x = 194,406,893,196.80
  5. Step 5: Solve for x
    x = 194,406,893,196.80/507,975.21
  6. Step 6: Final answer
    x = 382,709.41

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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.