Home / 672,756.60-1,009,110.60-273,386.10

Finding the Fourth Proportional to 672,756.60, 1,009,110.60 and 273,386.10

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Solution

The fourth proportional to 672,756.60, 1,009,110.60 and 273,386.10 is: 410,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,756.60 : 1,009,110.60 = 273,386.10 : x
  2. Step 2: Convert to fraction form
    672,756.60/1,009,110.60 = 273,386.10/x
  3. Step 3: Cross multiply
    672,756.60x = 1,009,110.60 × 273,386.10
  4. Step 4: Simplify right side
    672,756.60x = 275,876,811,402.66
  5. Step 5: Solve for x
    x = 275,876,811,402.66/672,756.60
  6. Step 6: Final answer
    x = 410,069.28

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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.