Home / 839,047.95-1,258,754.22-306,568.17

Finding the Fourth Proportional to 839,047.95, 1,258,754.22 and 306,568.17

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Solution

The fourth proportional to 839,047.95, 1,258,754.22 and 306,568.17 is: 459,918.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,047.95 : 1,258,754.22 = 306,568.17 : x
  2. Step 2: Convert to fraction form
    839,047.95/1,258,754.22 = 306,568.17/x
  3. Step 3: Cross multiply
    839,047.95x = 1,258,754.22 × 306,568.17
  4. Step 4: Simplify right side
    839,047.95x = 385,893,977,705.18
  5. Step 5: Solve for x
    x = 385,893,977,705.18/839,047.95
  6. Step 6: Final answer
    x = 459,918.86

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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.