Home / 780,324.53-1,170,598.28-240,626.39

Finding the Fourth Proportional to 780,324.53, 1,170,598.28 and 240,626.39

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Solution

The fourth proportional to 780,324.53, 1,170,598.28 and 240,626.39 is: 360,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,324.53 : 1,170,598.28 = 240,626.39 : x
  2. Step 2: Convert to fraction form
    780,324.53/1,170,598.28 = 240,626.39/x
  3. Step 3: Cross multiply
    780,324.53x = 1,170,598.28 × 240,626.39
  4. Step 4: Simplify right side
    780,324.53x = 281,676,831,200.49
  5. Step 5: Solve for x
    x = 281,676,831,200.49/780,324.53
  6. Step 6: Final answer
    x = 360,973.96

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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.