Home / 456,948.89-630,609.17-252,999.80

Finding the Fourth Proportional to 456,948.89, 630,609.17 and 252,999.80

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Solution

The fourth proportional to 456,948.89, 630,609.17 and 252,999.80 is: 349,150.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,948.89 : 630,609.17 = 252,999.80 : x
  2. Step 2: Convert to fraction form
    456,948.89/630,609.17 = 252,999.80/x
  3. Step 3: Cross multiply
    456,948.89x = 630,609.17 × 252,999.80
  4. Step 4: Simplify right side
    456,948.89x = 159,543,994,199.69
  5. Step 5: Solve for x
    x = 159,543,994,199.69/456,948.89
  6. Step 6: Final answer
    x = 349,150.64

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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.