Home / 776,017.12-1,070,895.87-431,847.16

Finding the Fourth Proportional to 776,017.12, 1,070,895.87 and 431,847.16

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Solution

The fourth proportional to 776,017.12, 1,070,895.87 and 431,847.16 is: 595,944.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,017.12 : 1,070,895.87 = 431,847.16 : x
  2. Step 2: Convert to fraction form
    776,017.12/1,070,895.87 = 431,847.16/x
  3. Step 3: Cross multiply
    776,017.12x = 1,070,895.87 × 431,847.16
  4. Step 4: Simplify right side
    776,017.12x = 462,463,340,115.23
  5. Step 5: Solve for x
    x = 462,463,340,115.23/776,017.12
  6. Step 6: Final answer
    x = 595,944.76

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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.