Home / 839,205.15-1,259,905.32-498,270.97

Finding the Fourth Proportional to 839,205.15, 1,259,905.32 and 498,270.97

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Solution

The fourth proportional to 839,205.15, 1,259,905.32 and 498,270.97 is: 748,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,205.15 : 1,259,905.32 = 498,270.97 : x
  2. Step 2: Convert to fraction form
    839,205.15/1,259,905.32 = 498,270.97/x
  3. Step 3: Cross multiply
    839,205.15x = 1,259,905.32 × 498,270.97
  4. Step 4: Simplify right side
    839,205.15x = 627,774,245,904.56
  5. Step 5: Solve for x
    x = 627,774,245,904.56/839,205.15
  6. Step 6: Final answer
    x = 748,058.14

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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.