Home / 779,675.79-1,075,961.57-457,391.37

Finding the Fourth Proportional to 779,675.79, 1,075,961.57 and 457,391.37

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Solution

The fourth proportional to 779,675.79, 1,075,961.57 and 457,391.37 is: 631,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,675.79 : 1,075,961.57 = 457,391.37 : x
  2. Step 2: Convert to fraction form
    779,675.79/1,075,961.57 = 457,391.37/x
  3. Step 3: Cross multiply
    779,675.79x = 1,075,961.57 × 457,391.37
  4. Step 4: Simplify right side
    779,675.79x = 492,135,534,282.69
  5. Step 5: Solve for x
    x = 492,135,534,282.69/779,675.79
  6. Step 6: Final answer
    x = 631,205.36

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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.