Home / 721,429.48-1,082,299.74-216,030.52

Finding the Fourth Proportional to 721,429.48, 1,082,299.74 and 216,030.52

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Solution

The fourth proportional to 721,429.48, 1,082,299.74 and 216,030.52 is: 324,092.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,429.48 : 1,082,299.74 = 216,030.52 : x
  2. Step 2: Convert to fraction form
    721,429.48/1,082,299.74 = 216,030.52/x
  3. Step 3: Cross multiply
    721,429.48x = 1,082,299.74 × 216,030.52
  4. Step 4: Simplify right side
    721,429.48x = 233,809,775,628.07
  5. Step 5: Solve for x
    x = 233,809,775,628.07/721,429.48
  6. Step 6: Final answer
    x = 324,092.35

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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.