Home / 672,860.64-1,008,459.86-577,419.96

Finding the Fourth Proportional to 672,860.64, 1,008,459.86 and 577,419.96

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Solution

The fourth proportional to 672,860.64, 1,008,459.86 and 577,419.96 is: 865,416.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,860.64 : 1,008,459.86 = 577,419.96 : x
  2. Step 2: Convert to fraction form
    672,860.64/1,008,459.86 = 577,419.96/x
  3. Step 3: Cross multiply
    672,860.64x = 1,008,459.86 × 577,419.96
  4. Step 4: Simplify right side
    672,860.64x = 582,304,852,022.81
  5. Step 5: Solve for x
    x = 582,304,852,022.81/672,860.64
  6. Step 6: Final answer
    x = 865,416.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.