Home / 786,952.80-1,181,012.40-313,977.60

Finding the Fourth Proportional to 786,952.80, 1,181,012.40 and 313,977.60

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Solution

The fourth proportional to 786,952.80, 1,181,012.40 and 313,977.60 is: 471,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,952.80 : 1,181,012.40 = 313,977.60 : x
  2. Step 2: Convert to fraction form
    786,952.80/1,181,012.40 = 313,977.60/x
  3. Step 3: Cross multiply
    786,952.80x = 1,181,012.40 × 313,977.60
  4. Step 4: Simplify right side
    786,952.80x = 370,811,438,922.24
  5. Step 5: Solve for x
    x = 370,811,438,922.24/786,952.80
  6. Step 6: Final answer
    x = 471,199.08

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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.