Home / 647,582.20-969,623.70-507,614.20

Finding the Fourth Proportional to 647,582.20, 969,623.70 and 507,614.20

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Solution

The fourth proportional to 647,582.20, 969,623.70 and 507,614.20 is: 760,049.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,582.20 : 969,623.70 = 507,614.20 : x
  2. Step 2: Convert to fraction form
    647,582.20/969,623.70 = 507,614.20/x
  3. Step 3: Cross multiply
    647,582.20x = 969,623.70 × 507,614.20
  4. Step 4: Simplify right side
    647,582.20x = 492,194,758,776.54
  5. Step 5: Solve for x
    x = 492,194,758,776.54/647,582.20
  6. Step 6: Final answer
    x = 760,049.86

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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.