Home / 672,014.55-1,008,021.83-406,075.35

Finding the Fourth Proportional to 672,014.55, 1,008,021.83 and 406,075.35

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Solution

The fourth proportional to 672,014.55, 1,008,021.83 and 406,075.35 is: 609,113.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,014.55 : 1,008,021.83 = 406,075.35 : x
  2. Step 2: Convert to fraction form
    672,014.55/1,008,021.83 = 406,075.35/x
  3. Step 3: Cross multiply
    672,014.55x = 1,008,021.83 × 406,075.35
  4. Step 4: Simplify right side
    672,014.55x = 409,332,815,394.51
  5. Step 5: Solve for x
    x = 409,332,815,394.51/672,014.55
  6. Step 6: Final answer
    x = 609,113.03

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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.