Home / 721,875.85-1,082,810.82-182,133.39

Finding the Fourth Proportional to 721,875.85, 1,082,810.82 and 182,133.39

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Solution

The fourth proportional to 721,875.85, 1,082,810.82 and 182,133.39 is: 273,199.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,875.85 : 1,082,810.82 = 182,133.39 : x
  2. Step 2: Convert to fraction form
    721,875.85/1,082,810.82 = 182,133.39/x
  3. Step 3: Cross multiply
    721,875.85x = 1,082,810.82 × 182,133.39
  4. Step 4: Simplify right side
    721,875.85x = 197,216,001,314.74
  5. Step 5: Solve for x
    x = 197,216,001,314.74/721,875.85
  6. Step 6: Final answer
    x = 273,199.33

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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.