Home / 719,390.40-1,079,085.60-246,004.80

Finding the Fourth Proportional to 719,390.40, 1,079,085.60 and 246,004.80

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Solution

The fourth proportional to 719,390.40, 1,079,085.60 and 246,004.80 is: 369,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,390.40 : 1,079,085.60 = 246,004.80 : x
  2. Step 2: Convert to fraction form
    719,390.40/1,079,085.60 = 246,004.80/x
  3. Step 3: Cross multiply
    719,390.40x = 1,079,085.60 × 246,004.80
  4. Step 4: Simplify right side
    719,390.40x = 265,460,237,210.88
  5. Step 5: Solve for x
    x = 265,460,237,210.88/719,390.40
  6. Step 6: Final answer
    x = 369,007.20

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Double scale
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Similar ratio
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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.