Home / 779,675.67-1,075,961.39-457,391.25

Finding the Fourth Proportional to 779,675.67, 1,075,961.39 and 457,391.25

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Solution

The fourth proportional to 779,675.67, 1,075,961.39 and 457,391.25 is: 631,205.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,675.67 : 1,075,961.39 = 457,391.25 : x
  2. Step 2: Convert to fraction form
    779,675.67/1,075,961.39 = 457,391.25/x
  3. Step 3: Cross multiply
    779,675.67x = 1,075,961.39 × 457,391.25
  4. Step 4: Simplify right side
    779,675.67x = 492,135,325,123.84
  5. Step 5: Solve for x
    x = 492,135,325,123.84/779,675.67
  6. Step 6: Final answer
    x = 631,205.18

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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.