Home / 867,435.28-1,301,597.68-418,538.94

Finding the Fourth Proportional to 867,435.28, 1,301,597.68 and 418,538.94

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Solution

The fourth proportional to 867,435.28, 1,301,597.68 and 418,538.94 is: 628,023.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,435.28 : 1,301,597.68 = 418,538.94 : x
  2. Step 2: Convert to fraction form
    867,435.28/1,301,597.68 = 418,538.94/x
  3. Step 3: Cross multiply
    867,435.28x = 1,301,597.68 × 418,538.94
  4. Step 4: Simplify right side
    867,435.28x = 544,769,313,293.66
  5. Step 5: Solve for x
    x = 544,769,313,293.66/867,435.28
  6. Step 6: Final answer
    x = 628,023.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.