Home / 814,271.94-1,220,162.37-435,246.66

Finding the Fourth Proportional to 814,271.94, 1,220,162.37 and 435,246.66

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Solution

The fourth proportional to 814,271.94, 1,220,162.37 and 435,246.66 is: 652,204.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,271.94 : 1,220,162.37 = 435,246.66 : x
  2. Step 2: Convert to fraction form
    814,271.94/1,220,162.37 = 435,246.66/x
  3. Step 3: Cross multiply
    814,271.94x = 1,220,162.37 × 435,246.66
  4. Step 4: Simplify right side
    814,271.94x = 531,071,596,200.18
  5. Step 5: Solve for x
    x = 531,071,596,200.18/814,271.94
  6. Step 6: Final answer
    x = 652,204.22

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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.