Home / 428,222.80-590,904.50-256,106.24

Finding the Fourth Proportional to 428,222.80, 590,904.50 and 256,106.24

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Solution

The fourth proportional to 428,222.80, 590,904.50 and 256,106.24 is: 353,400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,222.80 : 590,904.50 = 256,106.24 : x
  2. Step 2: Convert to fraction form
    428,222.80/590,904.50 = 256,106.24/x
  3. Step 3: Cross multiply
    428,222.80x = 590,904.50 × 256,106.24
  4. Step 4: Simplify right side
    428,222.80x = 151,334,332,688.84
  5. Step 5: Solve for x
    x = 151,334,332,688.84/428,222.80
  6. Step 6: Final answer
    x = 353,400.92

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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.