Home / 800,311.90-1,104,465.80-460,889.50

Finding the Fourth Proportional to 800,311.90, 1,104,465.80 and 460,889.50

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Solution

The fourth proportional to 800,311.90, 1,104,465.80 and 460,889.50 is: 636,047.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,311.90 : 1,104,465.80 = 460,889.50 : x
  2. Step 2: Convert to fraction form
    800,311.90/1,104,465.80 = 460,889.50/x
  3. Step 3: Cross multiply
    800,311.90x = 1,104,465.80 × 460,889.50
  4. Step 4: Simplify right side
    800,311.90x = 509,036,690,329.10
  5. Step 5: Solve for x
    x = 509,036,690,329.10/800,311.90
  6. Step 6: Final answer
    x = 636,047.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.