Home / 961,116.84-1,441,655.82-287,200.08

Finding the Fourth Proportional to 961,116.84, 1,441,655.82 and 287,200.08

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Solution

The fourth proportional to 961,116.84, 1,441,655.82 and 287,200.08 is: 430,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,116.84 : 1,441,655.82 = 287,200.08 : x
  2. Step 2: Convert to fraction form
    961,116.84/1,441,655.82 = 287,200.08/x
  3. Step 3: Cross multiply
    961,116.84x = 1,441,655.82 × 287,200.08
  4. Step 4: Simplify right side
    961,116.84x = 414,043,666,836.47
  5. Step 5: Solve for x
    x = 414,043,666,836.47/961,116.84
  6. Step 6: Final answer
    x = 430,794.31

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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.