Home / 719,170.74-1,079,237.28-298,446.60

Finding the Fourth Proportional to 719,170.74, 1,079,237.28 and 298,446.60

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Solution

The fourth proportional to 719,170.74, 1,079,237.28 and 298,446.60 is: 447,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,170.74 : 1,079,237.28 = 298,446.60 : x
  2. Step 2: Convert to fraction form
    719,170.74/1,079,237.28 = 298,446.60/x
  3. Step 3: Cross multiply
    719,170.74x = 1,079,237.28 × 298,446.60
  4. Step 4: Simplify right side
    719,170.74x = 322,094,696,809.25
  5. Step 5: Solve for x
    x = 322,094,696,809.25/719,170.74
  6. Step 6: Final answer
    x = 447,869.58

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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.