Home / 788,268.30-1,087,464.70-482,359.38

Finding the Fourth Proportional to 788,268.30, 1,087,464.70 and 482,359.38

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Solution

The fourth proportional to 788,268.30, 1,087,464.70 and 482,359.38 is: 665,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,268.30 : 1,087,464.70 = 482,359.38 : x
  2. Step 2: Convert to fraction form
    788,268.30/1,087,464.70 = 482,359.38/x
  3. Step 3: Cross multiply
    788,268.30x = 1,087,464.70 × 482,359.38
  4. Step 4: Simplify right side
    788,268.30x = 524,548,798,463.89
  5. Step 5: Solve for x
    x = 524,548,798,463.89/788,268.30
  6. Step 6: Final answer
    x = 665,444.49

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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.