Home / 421,742.58-582,004.08-230,756.73

Finding the Fourth Proportional to 421,742.58, 582,004.08 and 230,756.73

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Solution

The fourth proportional to 421,742.58, 582,004.08 and 230,756.73 is: 318,443.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,742.58 : 582,004.08 = 230,756.73 : x
  2. Step 2: Convert to fraction form
    421,742.58/582,004.08 = 230,756.73/x
  3. Step 3: Cross multiply
    421,742.58x = 582,004.08 × 230,756.73
  4. Step 4: Simplify right side
    421,742.58x = 134,301,358,347.46
  5. Step 5: Solve for x
    x = 134,301,358,347.46/421,742.58
  6. Step 6: Final answer
    x = 318,443.92

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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.