Home / 689,368.77-1,034,080.97-240,135.08

Finding the Fourth Proportional to 689,368.77, 1,034,080.97 and 240,135.08

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Solution

The fourth proportional to 689,368.77, 1,034,080.97 and 240,135.08 is: 360,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,368.77 : 1,034,080.97 = 240,135.08 : x
  2. Step 2: Convert to fraction form
    689,368.77/1,034,080.97 = 240,135.08/x
  3. Step 3: Cross multiply
    689,368.77x = 1,034,080.97 × 240,135.08
  4. Step 4: Simplify right side
    689,368.77x = 248,319,110,086.35
  5. Step 5: Solve for x
    x = 248,319,110,086.35/689,368.77
  6. Step 6: Final answer
    x = 360,212.30

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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.