Home / 728,492.40-1,092,738.60-413,564.40

Finding the Fourth Proportional to 728,492.40, 1,092,738.60 and 413,564.40

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Solution

The fourth proportional to 728,492.40, 1,092,738.60 and 413,564.40 is: 620,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,492.40 : 1,092,738.60 = 413,564.40 : x
  2. Step 2: Convert to fraction form
    728,492.40/1,092,738.60 = 413,564.40/x
  3. Step 3: Cross multiply
    728,492.40x = 1,092,738.60 × 413,564.40
  4. Step 4: Simplify right side
    728,492.40x = 451,917,783,465.84
  5. Step 5: Solve for x
    x = 451,917,783,465.84/728,492.40
  6. Step 6: Final answer
    x = 620,346.60

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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.