Home / 880,068.07-1,214,554.40-492,891.31

Finding the Fourth Proportional to 880,068.07, 1,214,554.40 and 492,891.31

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Solution

The fourth proportional to 880,068.07, 1,214,554.40 and 492,891.31 is: 680,223.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,068.07 : 1,214,554.40 = 492,891.31 : x
  2. Step 2: Convert to fraction form
    880,068.07/1,214,554.40 = 492,891.31/x
  3. Step 3: Cross multiply
    880,068.07x = 1,214,554.40 × 492,891.31
  4. Step 4: Simplify right side
    880,068.07x = 598,643,309,282.26
  5. Step 5: Solve for x
    x = 598,643,309,282.26/880,068.07
  6. Step 6: Final answer
    x = 680,223.87

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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.