Home / 806,848.80-1,210,273.20-491,920.80

Finding the Fourth Proportional to 806,848.80, 1,210,273.20 and 491,920.80

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Solution

The fourth proportional to 806,848.80, 1,210,273.20 and 491,920.80 is: 737,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,848.80 : 1,210,273.20 = 491,920.80 : x
  2. Step 2: Convert to fraction form
    806,848.80/1,210,273.20 = 491,920.80/x
  3. Step 3: Cross multiply
    806,848.80x = 1,210,273.20 × 491,920.80
  4. Step 4: Simplify right side
    806,848.80x = 595,358,560,762.56
  5. Step 5: Solve for x
    x = 595,358,560,762.56/806,848.80
  6. Step 6: Final answer
    x = 737,881.20

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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.