Home / 739,965.48-1,021,152.34-400,433.73

Finding the Fourth Proportional to 739,965.48, 1,021,152.34 and 400,433.73

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Solution

The fourth proportional to 739,965.48, 1,021,152.34 and 400,433.73 is: 552,598.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,965.48 : 1,021,152.34 = 400,433.73 : x
  2. Step 2: Convert to fraction form
    739,965.48/1,021,152.34 = 400,433.73/x
  3. Step 3: Cross multiply
    739,965.48x = 1,021,152.34 × 400,433.73
  4. Step 4: Simplify right side
    739,965.48x = 408,903,840,404.43
  5. Step 5: Solve for x
    x = 408,903,840,404.43/739,965.48
  6. Step 6: Final answer
    x = 552,598.54

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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.