Home / 813,700.95-1,220,551.31-273,911.90

Finding the Fourth Proportional to 813,700.95, 1,220,551.31 and 273,911.90

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Solution

The fourth proportional to 813,700.95, 1,220,551.31 and 273,911.90 is: 410,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,700.95 : 1,220,551.31 = 273,911.90 : x
  2. Step 2: Convert to fraction form
    813,700.95/1,220,551.31 = 273,911.90/x
  3. Step 3: Cross multiply
    813,700.95x = 1,220,551.31 × 273,911.90
  4. Step 4: Simplify right side
    813,700.95x = 334,323,520,897.27
  5. Step 5: Solve for x
    x = 334,323,520,897.27/813,700.95
  6. Step 6: Final answer
    x = 410,867.80

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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.