Home / 831,825.64-1,147,391.08-545,364.28

Finding the Fourth Proportional to 831,825.64, 1,147,391.08 and 545,364.28

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Solution

The fourth proportional to 831,825.64, 1,147,391.08 and 545,364.28 is: 752,256.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,825.64 : 1,147,391.08 = 545,364.28 : x
  2. Step 2: Convert to fraction form
    831,825.64/1,147,391.08 = 545,364.28/x
  3. Step 3: Cross multiply
    831,825.64x = 1,147,391.08 × 545,364.28
  4. Step 4: Simplify right side
    831,825.64x = 625,746,110,222.62
  5. Step 5: Solve for x
    x = 625,746,110,222.62/831,825.64
  6. Step 6: Final answer
    x = 752,256.34

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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.