Home / 811,249.72-1,119,559.44-448,673.48

Finding the Fourth Proportional to 811,249.72, 1,119,559.44 and 448,673.48

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Solution

The fourth proportional to 811,249.72, 1,119,559.44 and 448,673.48 is: 619,188.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,249.72 : 1,119,559.44 = 448,673.48 : x
  2. Step 2: Convert to fraction form
    811,249.72/1,119,559.44 = 448,673.48/x
  3. Step 3: Cross multiply
    811,249.72x = 1,119,559.44 × 448,673.48
  4. Step 4: Simplify right side
    811,249.72x = 502,316,630,011.65
  5. Step 5: Solve for x
    x = 502,316,630,011.65/811,249.72
  6. Step 6: Final answer
    x = 619,188.66

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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.