Home / 673,984.63-1,010,477.55-318,583.36

Finding the Fourth Proportional to 673,984.63, 1,010,477.55 and 318,583.36

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Solution

The fourth proportional to 673,984.63, 1,010,477.55 and 318,583.36 is: 477,638.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,984.63 : 1,010,477.55 = 318,583.36 : x
  2. Step 2: Convert to fraction form
    673,984.63/1,010,477.55 = 318,583.36/x
  3. Step 3: Cross multiply
    673,984.63x = 1,010,477.55 × 318,583.36
  4. Step 4: Simplify right side
    673,984.63x = 321,921,333,083.57
  5. Step 5: Solve for x
    x = 321,921,333,083.57/673,984.63
  6. Step 6: Final answer
    x = 477,638.98

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1.5x scale

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.