Home / 426,074.10-587,981.81-235,087.49

Finding the Fourth Proportional to 426,074.10, 587,981.81 and 235,087.49

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Solution

The fourth proportional to 426,074.10, 587,981.81 and 235,087.49 is: 324,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,074.10 : 587,981.81 = 235,087.49 : x
  2. Step 2: Convert to fraction form
    426,074.10/587,981.81 = 235,087.49/x
  3. Step 3: Cross multiply
    426,074.10x = 587,981.81 × 235,087.49
  4. Step 4: Simplify right side
    426,074.10x = 138,227,167,878.56
  5. Step 5: Solve for x
    x = 138,227,167,878.56/426,074.10
  6. Step 6: Final answer
    x = 324,420.49

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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.