Home / 815,705.37-1,125,635.22-453,151.35

Finding the Fourth Proportional to 815,705.37, 1,125,635.22 and 453,151.35

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Solution

The fourth proportional to 815,705.37, 1,125,635.22 and 453,151.35 is: 625,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,705.37 : 1,125,635.22 = 453,151.35 : x
  2. Step 2: Convert to fraction form
    815,705.37/1,125,635.22 = 453,151.35/x
  3. Step 3: Cross multiply
    815,705.37x = 1,125,635.22 × 453,151.35
  4. Step 4: Simplify right side
    815,705.37x = 510,083,119,550.55
  5. Step 5: Solve for x
    x = 510,083,119,550.55/815,705.37
  6. Step 6: Final answer
    x = 625,327.65

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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.