Home / 905,969.25-1,250,205.72-498,068.13

Finding the Fourth Proportional to 905,969.25, 1,250,205.72 and 498,068.13

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Solution

The fourth proportional to 905,969.25, 1,250,205.72 and 498,068.13 is: 687,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,969.25 : 1,250,205.72 = 498,068.13 : x
  2. Step 2: Convert to fraction form
    905,969.25/1,250,205.72 = 498,068.13/x
  3. Step 3: Cross multiply
    905,969.25x = 1,250,205.72 × 498,068.13
  4. Step 4: Simplify right side
    905,969.25x = 622,687,625,075.70
  5. Step 5: Solve for x
    x = 622,687,625,075.70/905,969.25
  6. Step 6: Final answer
    x = 687,316.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.