Home / 689,782.66-1,034,829.65-210,053.39

Finding the Fourth Proportional to 689,782.66, 1,034,829.65 and 210,053.39

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Solution

The fourth proportional to 689,782.66, 1,034,829.65 and 210,053.39 is: 315,127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,782.66 : 1,034,829.65 = 210,053.39 : x
  2. Step 2: Convert to fraction form
    689,782.66/1,034,829.65 = 210,053.39/x
  3. Step 3: Cross multiply
    689,782.66x = 1,034,829.65 × 210,053.39
  4. Step 4: Simplify right side
    689,782.66x = 217,369,471,406.00
  5. Step 5: Solve for x
    x = 217,369,471,406.00/689,782.66
  6. Step 6: Final answer
    x = 315,127.48

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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.