Home / 668,173.40-1,002,260.10-313,879.40

Finding the Fourth Proportional to 668,173.40, 1,002,260.10 and 313,879.40

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Solution

The fourth proportional to 668,173.40, 1,002,260.10 and 313,879.40 is: 470,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,173.40 : 1,002,260.10 = 313,879.40 : x
  2. Step 2: Convert to fraction form
    668,173.40/1,002,260.10 = 313,879.40/x
  3. Step 3: Cross multiply
    668,173.40x = 1,002,260.10 × 313,879.40
  4. Step 4: Simplify right side
    668,173.40x = 314,588,798,831.94
  5. Step 5: Solve for x
    x = 314,588,798,831.94/668,173.40
  6. Step 6: Final answer
    x = 470,819.10

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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.