Home / 846,378.60-1,269,664.20-306,888.90

Finding the Fourth Proportional to 846,378.60, 1,269,664.20 and 306,888.90

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Solution

The fourth proportional to 846,378.60, 1,269,664.20 and 306,888.90 is: 460,368.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,378.60 : 1,269,664.20 = 306,888.90 : x
  2. Step 2: Convert to fraction form
    846,378.60/1,269,664.20 = 306,888.90/x
  3. Step 3: Cross multiply
    846,378.60x = 1,269,664.20 × 306,888.90
  4. Step 4: Simplify right side
    846,378.60x = 389,645,849,707.38
  5. Step 5: Solve for x
    x = 389,645,849,707.38/846,378.60
  6. Step 6: Final answer
    x = 460,368.27

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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.