Home / 790,846.74-1,091,371.50-428,270.76

Finding the Fourth Proportional to 790,846.74, 1,091,371.50 and 428,270.76

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Solution

The fourth proportional to 790,846.74, 1,091,371.50 and 428,270.76 is: 591,015.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,846.74 : 1,091,371.50 = 428,270.76 : x
  2. Step 2: Convert to fraction form
    790,846.74/1,091,371.50 = 428,270.76/x
  3. Step 3: Cross multiply
    790,846.74x = 1,091,371.50 × 428,270.76
  4. Step 4: Simplify right side
    790,846.74x = 467,402,501,747.34
  5. Step 5: Solve for x
    x = 467,402,501,747.34/790,846.74
  6. Step 6: Final answer
    x = 591,015.27

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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.