Home / 448,488.55-673,048.07-405,609.98

Finding the Fourth Proportional to 448,488.55, 673,048.07 and 405,609.98

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Solution

The fourth proportional to 448,488.55, 673,048.07 and 405,609.98 is: 608,700.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,488.55 : 673,048.07 = 405,609.98 : x
  2. Step 2: Convert to fraction form
    448,488.55/673,048.07 = 405,609.98/x
  3. Step 3: Cross multiply
    448,488.55x = 673,048.07 × 405,609.98
  4. Step 4: Simplify right side
    448,488.55x = 272,995,015,836.55
  5. Step 5: Solve for x
    x = 272,995,015,836.55/448,488.55
  6. Step 6: Final answer
    x = 608,700.08

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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.