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Finding the Fourth Proportional to 555,954.58, 767,218.64 and 301,305.70

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Solution

The fourth proportional to 555,954.58, 767,218.64 and 301,305.70 is: 415,802.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,954.58 : 767,218.64 = 301,305.70 : x
  2. Step 2: Convert to fraction form
    555,954.58/767,218.64 = 301,305.70/x
  3. Step 3: Cross multiply
    555,954.58x = 767,218.64 × 301,305.70
  4. Step 4: Simplify right side
    555,954.58x = 231,167,349,378.25
  5. Step 5: Solve for x
    x = 231,167,349,378.25/555,954.58
  6. Step 6: Final answer
    x = 415,802.58

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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.