Home / 772,229.02-1,065,676.38-470,423.02

Finding the Fourth Proportional to 772,229.02, 1,065,676.38 and 470,423.02

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Solution

The fourth proportional to 772,229.02, 1,065,676.38 and 470,423.02 is: 649,183.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,229.02 : 1,065,676.38 = 470,423.02 : x
  2. Step 2: Convert to fraction form
    772,229.02/1,065,676.38 = 470,423.02/x
  3. Step 3: Cross multiply
    772,229.02x = 1,065,676.38 × 470,423.02
  4. Step 4: Simplify right side
    772,229.02x = 501,318,701,022.27
  5. Step 5: Solve for x
    x = 501,318,701,022.27/772,229.02
  6. Step 6: Final answer
    x = 649,183.97

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.