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Finding the Fourth Proportional to 546,050.40, 819,075.60 and 280,329.90

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Solution

The fourth proportional to 546,050.40, 819,075.60 and 280,329.90 is: 420,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,050.40 : 819,075.60 = 280,329.90 : x
  2. Step 2: Convert to fraction form
    546,050.40/819,075.60 = 280,329.90/x
  3. Step 3: Cross multiply
    546,050.40x = 819,075.60 × 280,329.90
  4. Step 4: Simplify right side
    546,050.40x = 229,611,381,040.44
  5. Step 5: Solve for x
    x = 229,611,381,040.44/546,050.40
  6. Step 6: Final answer
    x = 420,494.85

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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.