Home / 791,012.92-1,091,597.35-428,436.67

Finding the Fourth Proportional to 791,012.92, 1,091,597.35 and 428,436.67

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Solution

The fourth proportional to 791,012.92, 1,091,597.35 and 428,436.67 is: 591,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,012.92 : 1,091,597.35 = 428,436.67 : x
  2. Step 2: Convert to fraction form
    791,012.92/1,091,597.35 = 428,436.67/x
  3. Step 3: Cross multiply
    791,012.92x = 1,091,597.35 × 428,436.67
  4. Step 4: Simplify right side
    791,012.92x = 467,680,327,085.75
  5. Step 5: Solve for x
    x = 467,680,327,085.75/791,012.92
  6. Step 6: Final answer
    x = 591,242.34

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Double scale
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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.