Home / 873,145.13-1,309,876.33-360,811.50

Finding the Fourth Proportional to 873,145.13, 1,309,876.33 and 360,811.50

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Solution

The fourth proportional to 873,145.13, 1,309,876.33 and 360,811.50 is: 541,282.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,145.13 : 1,309,876.33 = 360,811.50 : x
  2. Step 2: Convert to fraction form
    873,145.13/1,309,876.33 = 360,811.50/x
  3. Step 3: Cross multiply
    873,145.13x = 1,309,876.33 × 360,811.50
  4. Step 4: Simplify right side
    873,145.13x = 472,618,442,539.77
  5. Step 5: Solve for x
    x = 472,618,442,539.77/873,145.13
  6. Step 6: Final answer
    x = 541,282.81

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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.