Home / 814,030.36-1,220,811.98-274,228.04

Finding the Fourth Proportional to 814,030.36, 1,220,811.98 and 274,228.04

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Solution

The fourth proportional to 814,030.36, 1,220,811.98 and 274,228.04 is: 411,263.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,030.36 : 1,220,811.98 = 274,228.04 : x
  2. Step 2: Convert to fraction form
    814,030.36/1,220,811.98 = 274,228.04/x
  3. Step 3: Cross multiply
    814,030.36x = 1,220,811.98 × 274,228.04
  4. Step 4: Simplify right side
    814,030.36x = 334,780,876,483.92
  5. Step 5: Solve for x
    x = 334,780,876,483.92/814,030.36
  6. Step 6: Final answer
    x = 411,263.38

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1.5x scale

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.