Home / 744,918.84-1,028,011.20-422,642.52

Finding the Fourth Proportional to 744,918.84, 1,028,011.20 and 422,642.52

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Solution

The fourth proportional to 744,918.84, 1,028,011.20 and 422,642.52 is: 583,259.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,918.84 : 1,028,011.20 = 422,642.52 : x
  2. Step 2: Convert to fraction form
    744,918.84/1,028,011.20 = 422,642.52/x
  3. Step 3: Cross multiply
    744,918.84x = 1,028,011.20 × 422,642.52
  4. Step 4: Simplify right side
    744,918.84x = 434,481,244,156.22
  5. Step 5: Solve for x
    x = 434,481,244,156.22/744,918.84
  6. Step 6: Final answer
    x = 583,259.84

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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.