Home / 979,003.04-1,351,109.69-571,236.25

Finding the Fourth Proportional to 979,003.04, 1,351,109.69 and 571,236.25

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Solution

The fourth proportional to 979,003.04, 1,351,109.69 and 571,236.25 is: 788,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,003.04 : 1,351,109.69 = 571,236.25 : x
  2. Step 2: Convert to fraction form
    979,003.04/1,351,109.69 = 571,236.25/x
  3. Step 3: Cross multiply
    979,003.04x = 1,351,109.69 × 571,236.25
  4. Step 4: Simplify right side
    979,003.04x = 771,802,833,629.10
  5. Step 5: Solve for x
    x = 771,802,833,629.10/979,003.04
  6. Step 6: Final answer
    x = 788,355.91

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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.