Home / 757,659.15-1,045,748.34-435,555.90

Finding the Fourth Proportional to 757,659.15, 1,045,748.34 and 435,555.90

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Solution

The fourth proportional to 757,659.15, 1,045,748.34 and 435,555.90 is: 601,169.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,659.15 : 1,045,748.34 = 435,555.90 : x
  2. Step 2: Convert to fraction form
    757,659.15/1,045,748.34 = 435,555.90/x
  3. Step 3: Cross multiply
    757,659.15x = 1,045,748.34 × 435,555.90
  4. Step 4: Simplify right side
    757,659.15x = 455,481,859,402.21
  5. Step 5: Solve for x
    x = 455,481,859,402.21/757,659.15
  6. Step 6: Final answer
    x = 601,169.88

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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.