Home / 452,825.20-679,237.80-403,836.40

Finding the Fourth Proportional to 452,825.20, 679,237.80 and 403,836.40

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Solution

The fourth proportional to 452,825.20, 679,237.80 and 403,836.40 is: 605,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,825.20 : 679,237.80 = 403,836.40 : x
  2. Step 2: Convert to fraction form
    452,825.20/679,237.80 = 403,836.40/x
  3. Step 3: Cross multiply
    452,825.20x = 679,237.80 × 403,836.40
  4. Step 4: Simplify right side
    452,825.20x = 274,300,947,895.92
  5. Step 5: Solve for x
    x = 274,300,947,895.92/452,825.20
  6. Step 6: Final answer
    x = 605,754.60

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Similar ratio
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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.