Home / 810,401.84-1,118,358.06-442,886.42

Finding the Fourth Proportional to 810,401.84, 1,118,358.06 and 442,886.42

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Solution

The fourth proportional to 810,401.84, 1,118,358.06 and 442,886.42 is: 611,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,401.84 : 1,118,358.06 = 442,886.42 : x
  2. Step 2: Convert to fraction form
    810,401.84/1,118,358.06 = 442,886.42/x
  3. Step 3: Cross multiply
    810,401.84x = 1,118,358.06 × 442,886.42
  4. Step 4: Simplify right side
    810,401.84x = 495,305,597,471.55
  5. Step 5: Solve for x
    x = 495,305,597,471.55/810,401.84
  6. Step 6: Final answer
    x = 611,185.18

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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.