Home / 767,527.56-1,059,209.88-428,017.68

Finding the Fourth Proportional to 767,527.56, 1,059,209.88 and 428,017.68

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Solution

The fourth proportional to 767,527.56, 1,059,209.88 and 428,017.68 is: 590,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,527.56 : 1,059,209.88 = 428,017.68 : x
  2. Step 2: Convert to fraction form
    767,527.56/1,059,209.88 = 428,017.68/x
  3. Step 3: Cross multiply
    767,527.56x = 1,059,209.88 × 428,017.68
  4. Step 4: Simplify right side
    767,527.56x = 453,360,555,470.68
  5. Step 5: Solve for x
    x = 453,360,555,470.68/767,527.56
  6. Step 6: Final answer
    x = 590,676.58

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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.