Home / 507,948.40-762,214.20-192,631.60

Finding the Fourth Proportional to 507,948.40, 762,214.20 and 192,631.60

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Solution

The fourth proportional to 507,948.40, 762,214.20 and 192,631.60 is: 289,057.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,948.40 : 762,214.20 = 192,631.60 : x
  2. Step 2: Convert to fraction form
    507,948.40/762,214.20 = 192,631.60/x
  3. Step 3: Cross multiply
    507,948.40x = 762,214.20 × 192,631.60
  4. Step 4: Simplify right side
    507,948.40x = 146,826,540,888.72
  5. Step 5: Solve for x
    x = 146,826,540,888.72/507,948.40
  6. Step 6: Final answer
    x = 289,057.98

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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.