Home / 815,303.40-1,125,081.09-452,750.43

Finding the Fourth Proportional to 815,303.40, 1,125,081.09 and 452,750.43

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Solution

The fourth proportional to 815,303.40, 1,125,081.09 and 452,750.43 is: 624,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,303.40 : 1,125,081.09 = 452,750.43 : x
  2. Step 2: Convert to fraction form
    815,303.40/1,125,081.09 = 452,750.43/x
  3. Step 3: Cross multiply
    815,303.40x = 1,125,081.09 × 452,750.43
  4. Step 4: Simplify right side
    815,303.40x = 509,380,947,282.37
  5. Step 5: Solve for x
    x = 509,380,947,282.37/815,303.40
  6. Step 6: Final answer
    x = 624,774.71

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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.