Home / 739,679.70-1,020,786.93-433,713.54

Finding the Fourth Proportional to 739,679.70, 1,020,786.93 and 433,713.54

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Solution

The fourth proportional to 739,679.70, 1,020,786.93 and 433,713.54 is: 598,541.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,679.70 : 1,020,786.93 = 433,713.54 : x
  2. Step 2: Convert to fraction form
    739,679.70/1,020,786.93 = 433,713.54/x
  3. Step 3: Cross multiply
    739,679.70x = 1,020,786.93 × 433,713.54
  4. Step 4: Simplify right side
    739,679.70x = 442,729,112,996.03
  5. Step 5: Solve for x
    x = 442,729,112,996.03/739,679.70
  6. Step 6: Final answer
    x = 598,541.66

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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.