Home / 791,013.92-1,091,598.73-428,437.67

Finding the Fourth Proportional to 791,013.92, 1,091,598.73 and 428,437.67

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Solution

The fourth proportional to 791,013.92, 1,091,598.73 and 428,437.67 is: 591,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,013.92 : 1,091,598.73 = 428,437.67 : x
  2. Step 2: Convert to fraction form
    791,013.92/1,091,598.73 = 428,437.67/x
  3. Step 3: Cross multiply
    791,013.92x = 1,091,598.73 × 428,437.67
  4. Step 4: Simplify right side
    791,013.92x = 467,682,009,927.07
  5. Step 5: Solve for x
    x = 467,682,009,927.07/791,013.92
  6. Step 6: Final answer
    x = 591,243.72

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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.