Home / 803,986.40-1,109,506.20-441,426.08

Finding the Fourth Proportional to 803,986.40, 1,109,506.20 and 441,426.08

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Solution

The fourth proportional to 803,986.40, 1,109,506.20 and 441,426.08 is: 609,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,986.40 : 1,109,506.20 = 441,426.08 : x
  2. Step 2: Convert to fraction form
    803,986.40/1,109,506.20 = 441,426.08/x
  3. Step 3: Cross multiply
    803,986.40x = 1,109,506.20 × 441,426.08
  4. Step 4: Simplify right side
    803,986.40x = 489,764,972,601.70
  5. Step 5: Solve for x
    x = 489,764,972,601.70/803,986.40
  6. Step 6: Final answer
    x = 609,170.72

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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.