Home / 672,403.60-1,008,605.40-245,938.60

Finding the Fourth Proportional to 672,403.60, 1,008,605.40 and 245,938.60

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Solution

The fourth proportional to 672,403.60, 1,008,605.40 and 245,938.60 is: 368,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,403.60 : 1,008,605.40 = 245,938.60 : x
  2. Step 2: Convert to fraction form
    672,403.60/1,008,605.40 = 245,938.60/x
  3. Step 3: Cross multiply
    672,403.60x = 1,008,605.40 × 245,938.60
  4. Step 4: Simplify right side
    672,403.60x = 248,055,000,028.44
  5. Step 5: Solve for x
    x = 248,055,000,028.44/672,403.60
  6. Step 6: Final answer
    x = 368,907.90

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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.