Home / 778,807.44-1,074,768.26-456,749.82

Finding the Fourth Proportional to 778,807.44, 1,074,768.26 and 456,749.82

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Solution

The fourth proportional to 778,807.44, 1,074,768.26 and 456,749.82 is: 630,322.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,807.44 : 1,074,768.26 = 456,749.82 : x
  2. Step 2: Convert to fraction form
    778,807.44/1,074,768.26 = 456,749.82/x
  3. Step 3: Cross multiply
    778,807.44x = 1,074,768.26 × 456,749.82
  4. Step 4: Simplify right side
    778,807.44x = 490,900,206,609.79
  5. Step 5: Solve for x
    x = 490,900,206,609.79/778,807.44
  6. Step 6: Final answer
    x = 630,322.96

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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.