Home / 786,032.62-1,084,653.44-454,831.31

Finding the Fourth Proportional to 786,032.62, 1,084,653.44 and 454,831.31

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Solution

The fourth proportional to 786,032.62, 1,084,653.44 and 454,831.31 is: 627,625.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,032.62 : 1,084,653.44 = 454,831.31 : x
  2. Step 2: Convert to fraction form
    786,032.62/1,084,653.44 = 454,831.31/x
  3. Step 3: Cross multiply
    786,032.62x = 1,084,653.44 × 454,831.31
  4. Step 4: Simplify right side
    786,032.62x = 493,334,339,019.40
  5. Step 5: Solve for x
    x = 493,334,339,019.40/786,032.62
  6. Step 6: Final answer
    x = 627,625.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.