Home / 456,584.36-630,339.79-275,342.20

Finding the Fourth Proportional to 456,584.36, 630,339.79 and 275,342.20

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Solution

The fourth proportional to 456,584.36, 630,339.79 and 275,342.20 is: 380,125.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,584.36 : 630,339.79 = 275,342.20 : x
  2. Step 2: Convert to fraction form
    456,584.36/630,339.79 = 275,342.20/x
  3. Step 3: Cross multiply
    456,584.36x = 630,339.79 × 275,342.20
  4. Step 4: Simplify right side
    456,584.36x = 173,559,144,526.14
  5. Step 5: Solve for x
    x = 173,559,144,526.14/456,584.36
  6. Step 6: Final answer
    x = 380,125.03

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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.