Home / 777,347.25-1,166,642.95-403,477.17

Finding the Fourth Proportional to 777,347.25, 1,166,642.95 and 403,477.17

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Solution

The fourth proportional to 777,347.25, 1,166,642.95 and 403,477.17 is: 605,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,347.25 : 1,166,642.95 = 403,477.17 : x
  2. Step 2: Convert to fraction form
    777,347.25/1,166,642.95 = 403,477.17/x
  3. Step 3: Cross multiply
    777,347.25x = 1,166,642.95 × 403,477.17
  4. Step 4: Simplify right side
    777,347.25x = 470,713,795,866.45
  5. Step 5: Solve for x
    x = 470,713,795,866.45/777,347.25
  6. Step 6: Final answer
    x = 605,538.64

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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.