Home / 516,913.58-775,268.15-491,280.26

Finding the Fourth Proportional to 516,913.58, 775,268.15 and 491,280.26

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Solution

The fourth proportional to 516,913.58, 775,268.15 and 491,280.26 is: 736,823.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,913.58 : 775,268.15 = 491,280.26 : x
  2. Step 2: Convert to fraction form
    516,913.58/775,268.15 = 491,280.26/x
  3. Step 3: Cross multiply
    516,913.58x = 775,268.15 × 491,280.26
  4. Step 4: Simplify right side
    516,913.58x = 380,873,931,968.98
  5. Step 5: Solve for x
    x = 380,873,931,968.98/516,913.58
  6. Step 6: Final answer
    x = 736,823.22

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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.