Home / 749,394.63-1,034,164.61-409,862.88

Finding the Fourth Proportional to 749,394.63, 1,034,164.61 and 409,862.88

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Solution

The fourth proportional to 749,394.63, 1,034,164.61 and 409,862.88 is: 565,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,394.63 : 1,034,164.61 = 409,862.88 : x
  2. Step 2: Convert to fraction form
    749,394.63/1,034,164.61 = 409,862.88/x
  3. Step 3: Cross multiply
    749,394.63x = 1,034,164.61 × 409,862.88
  4. Step 4: Simplify right side
    749,394.63x = 423,865,685,448.68
  5. Step 5: Solve for x
    x = 423,865,685,448.68/749,394.63
  6. Step 6: Final answer
    x = 565,610.79

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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.