Home / 733,947.48-1,012,835.34-428,201.64

Finding the Fourth Proportional to 733,947.48, 1,012,835.34 and 428,201.64

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Solution

The fourth proportional to 733,947.48, 1,012,835.34 and 428,201.64 is: 590,911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,947.48 : 1,012,835.34 = 428,201.64 : x
  2. Step 2: Convert to fraction form
    733,947.48/1,012,835.34 = 428,201.64/x
  3. Step 3: Cross multiply
    733,947.48x = 1,012,835.34 × 428,201.64
  4. Step 4: Simplify right side
    733,947.48x = 433,697,753,637.96
  5. Step 5: Solve for x
    x = 433,697,753,637.96/733,947.48
  6. Step 6: Final answer
    x = 590,911.16

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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.