Home / 629,349.89-944,320.07-313,831.40

Finding the Fourth Proportional to 629,349.89, 944,320.07 and 313,831.40

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Solution

The fourth proportional to 629,349.89, 944,320.07 and 313,831.40 is: 470,894.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,349.89 : 944,320.07 = 313,831.40 : x
  2. Step 2: Convert to fraction form
    629,349.89/944,320.07 = 313,831.40/x
  3. Step 3: Cross multiply
    629,349.89x = 944,320.07 × 313,831.40
  4. Step 4: Simplify right side
    629,349.89x = 296,357,285,679.18
  5. Step 5: Solve for x
    x = 296,357,285,679.18/629,349.89
  6. Step 6: Final answer
    x = 470,894.32

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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.