Home / 456,664.30-630,450.08-275,421.94

Finding the Fourth Proportional to 456,664.30, 630,450.08 and 275,421.94

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Solution

The fourth proportional to 456,664.30, 630,450.08 and 275,421.94 is: 380,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,664.30 : 630,450.08 = 275,421.94 : x
  2. Step 2: Convert to fraction form
    456,664.30/630,450.08 = 275,421.94/x
  3. Step 3: Cross multiply
    456,664.30x = 630,450.08 × 275,421.94
  4. Step 4: Simplify right side
    456,664.30x = 173,639,782,729.65
  5. Step 5: Solve for x
    x = 173,639,782,729.65/456,664.30
  6. Step 6: Final answer
    x = 380,235.07

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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.