Home / 776,742.75-1,071,883.30-432,578.59

Finding the Fourth Proportional to 776,742.75, 1,071,883.30 and 432,578.59

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Solution

The fourth proportional to 776,742.75, 1,071,883.30 and 432,578.59 is: 596,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,742.75 : 1,071,883.30 = 432,578.59 : x
  2. Step 2: Convert to fraction form
    776,742.75/1,071,883.30 = 432,578.59/x
  3. Step 3: Cross multiply
    776,742.75x = 1,071,883.30 × 432,578.59
  4. Step 4: Simplify right side
    776,742.75x = 463,673,759,036.24
  5. Step 5: Solve for x
    x = 463,673,759,036.24/776,742.75
  6. Step 6: Final answer
    x = 596,946.36

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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.