Home / 426,848.18-589,084.09-243,094.56

Finding the Fourth Proportional to 426,848.18, 589,084.09 and 243,094.56

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Solution

The fourth proportional to 426,848.18, 589,084.09 and 243,094.56 is: 335,489.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,848.18 : 589,084.09 = 243,094.56 : x
  2. Step 2: Convert to fraction form
    426,848.18/589,084.09 = 243,094.56/x
  3. Step 3: Cross multiply
    426,848.18x = 589,084.09 × 243,094.56
  4. Step 4: Simplify right side
    426,848.18x = 143,203,134,844.75
  5. Step 5: Solve for x
    x = 143,203,134,844.75/426,848.18
  6. Step 6: Final answer
    x = 335,489.63

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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.