Home / 721,420.04-1,082,277.68-248,043.89

Finding the Fourth Proportional to 721,420.04, 1,082,277.68 and 248,043.89

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Solution

The fourth proportional to 721,420.04, 1,082,277.68 and 248,043.89 is: 372,116.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,420.04 : 1,082,277.68 = 248,043.89 : x
  2. Step 2: Convert to fraction form
    721,420.04/1,082,277.68 = 248,043.89/x
  3. Step 3: Cross multiply
    721,420.04x = 1,082,277.68 × 248,043.89
  4. Step 4: Simplify right side
    721,420.04x = 268,452,359,155.77
  5. Step 5: Solve for x
    x = 268,452,359,155.77/721,420.04
  6. Step 6: Final answer
    x = 372,116.58

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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.