Home / 839,056.20-1,258,766.55-306,576.38

Finding the Fourth Proportional to 839,056.20, 1,258,766.55 and 306,576.38

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Solution

The fourth proportional to 839,056.20, 1,258,766.55 and 306,576.38 is: 459,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,056.20 : 1,258,766.55 = 306,576.38 : x
  2. Step 2: Convert to fraction form
    839,056.20/1,258,766.55 = 306,576.38/x
  3. Step 3: Cross multiply
    839,056.20x = 1,258,766.55 × 306,576.38
  4. Step 4: Simplify right side
    839,056.20x = 385,908,085,870.26
  5. Step 5: Solve for x
    x = 385,908,085,870.26/839,056.20
  6. Step 6: Final answer
    x = 459,931.15

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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.