Home / 848,805.80-1,272,938.67-280,080.90

Finding the Fourth Proportional to 848,805.80, 1,272,938.67 and 280,080.90

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Solution

The fourth proportional to 848,805.80, 1,272,938.67 and 280,080.90 is: 420,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,805.80 : 1,272,938.67 = 280,080.90 : x
  2. Step 2: Convert to fraction form
    848,805.80/1,272,938.67 = 280,080.90/x
  3. Step 3: Cross multiply
    848,805.80x = 1,272,938.67 × 280,080.90
  4. Step 4: Simplify right side
    848,805.80x = 356,525,808,338.40
  5. Step 5: Solve for x
    x = 356,525,808,338.40/848,805.80
  6. Step 6: Final answer
    x = 420,032.25

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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.