Home / 807,567.60-1,211,059.80-408,075.60

Finding the Fourth Proportional to 807,567.60, 1,211,059.80 and 408,075.60

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Solution

The fourth proportional to 807,567.60, 1,211,059.80 and 408,075.60 is: 611,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,567.60 : 1,211,059.80 = 408,075.60 : x
  2. Step 2: Convert to fraction form
    807,567.60/1,211,059.80 = 408,075.60/x
  3. Step 3: Cross multiply
    807,567.60x = 1,211,059.80 × 408,075.60
  4. Step 4: Simplify right side
    807,567.60x = 494,203,954,520.88
  5. Step 5: Solve for x
    x = 494,203,954,520.88/807,567.60
  6. Step 6: Final answer
    x = 611,966.05

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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.