Home / 810,571.08-1,215,854.73-761,246.67

Finding the Fourth Proportional to 810,571.08, 1,215,854.73 and 761,246.67

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Solution

The fourth proportional to 810,571.08, 1,215,854.73 and 761,246.67 is: 1,141,868.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,571.08 : 1,215,854.73 = 761,246.67 : x
  2. Step 2: Convert to fraction form
    810,571.08/1,215,854.73 = 761,246.67/x
  3. Step 3: Cross multiply
    810,571.08x = 1,215,854.73 × 761,246.67
  4. Step 4: Simplify right side
    810,571.08x = 925,565,364,416.25
  5. Step 5: Solve for x
    x = 925,565,364,416.25/810,571.08
  6. Step 6: Final answer
    x = 1,141,868.23

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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.