Home / 987,148.96-1,362,268.24-534,438.88

Finding the Fourth Proportional to 987,148.96, 1,362,268.24 and 534,438.88

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Solution

The fourth proportional to 987,148.96, 1,362,268.24 and 534,438.88 is: 737,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,148.96 : 1,362,268.24 = 534,438.88 : x
  2. Step 2: Convert to fraction form
    987,148.96/1,362,268.24 = 534,438.88/x
  3. Step 3: Cross multiply
    987,148.96x = 1,362,268.24 × 534,438.88
  4. Step 4: Simplify right side
    987,148.96x = 728,049,112,445.17
  5. Step 5: Solve for x
    x = 728,049,112,445.17/987,148.96
  6. Step 6: Final answer
    x = 737,527.10

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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.