Home / 846,074.06-1,268,479.90-509,035.74

Finding the Fourth Proportional to 846,074.06, 1,268,479.90 and 509,035.74

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Solution

The fourth proportional to 846,074.06, 1,268,479.90 and 509,035.74 is: 763,173.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,074.06 : 1,268,479.90 = 509,035.74 : x
  2. Step 2: Convert to fraction form
    846,074.06/1,268,479.90 = 509,035.74/x
  3. Step 3: Cross multiply
    846,074.06x = 1,268,479.90 × 509,035.74
  4. Step 4: Simplify right side
    846,074.06x = 645,701,604,571.63
  5. Step 5: Solve for x
    x = 645,701,604,571.63/846,074.06
  6. Step 6: Final answer
    x = 763,173.86

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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.