Home / 776,036.82-1,070,908.85-431,867.25

Finding the Fourth Proportional to 776,036.82, 1,070,908.85 and 431,867.25

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Solution

The fourth proportional to 776,036.82, 1,070,908.85 and 431,867.25 is: 595,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,036.82 : 1,070,908.85 = 431,867.25 : x
  2. Step 2: Convert to fraction form
    776,036.82/1,070,908.85 = 431,867.25/x
  3. Step 3: Cross multiply
    776,036.82x = 1,070,908.85 × 431,867.25
  4. Step 4: Simplify right side
    776,036.82x = 462,490,457,890.83
  5. Step 5: Solve for x
    x = 462,490,457,890.83/776,036.82
  6. Step 6: Final answer
    x = 595,964.58

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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.