Home / 986,212.09-1,360,959.45-550,636.13

Finding the Fourth Proportional to 986,212.09, 1,360,959.45 and 550,636.13

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Solution

The fourth proportional to 986,212.09, 1,360,959.45 and 550,636.13 is: 759,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,212.09 : 1,360,959.45 = 550,636.13 : x
  2. Step 2: Convert to fraction form
    986,212.09/1,360,959.45 = 550,636.13/x
  3. Step 3: Cross multiply
    986,212.09x = 1,360,959.45 × 550,636.13
  4. Step 4: Simplify right side
    986,212.09x = 749,393,437,830.13
  5. Step 5: Solve for x
    x = 749,393,437,830.13/986,212.09
  6. Step 6: Final answer
    x = 759,870.47

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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.