Home / 426,971.83-589,251.64-235,981.12

Finding the Fourth Proportional to 426,971.83, 589,251.64 and 235,981.12

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Solution

The fourth proportional to 426,971.83, 589,251.64 and 235,981.12 is: 325,670.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,971.83 : 589,251.64 = 235,981.12 : x
  2. Step 2: Convert to fraction form
    426,971.83/589,251.64 = 235,981.12/x
  3. Step 3: Cross multiply
    426,971.83x = 589,251.64 × 235,981.12
  4. Step 4: Simplify right side
    426,971.83x = 139,052,261,969.04
  5. Step 5: Solve for x
    x = 139,052,261,969.04/426,971.83
  6. Step 6: Final answer
    x = 325,670.81

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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.