Home / 762,162.93-1,051,709.04-439,976.79

Finding the Fourth Proportional to 762,162.93, 1,051,709.04 and 439,976.79

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Solution

The fourth proportional to 762,162.93, 1,051,709.04 and 439,976.79 is: 607,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,162.93 : 1,051,709.04 = 439,976.79 : x
  2. Step 2: Convert to fraction form
    762,162.93/1,051,709.04 = 439,976.79/x
  3. Step 3: Cross multiply
    762,162.93x = 1,051,709.04 × 439,976.79
  4. Step 4: Simplify right side
    762,162.93x = 462,727,567,433.18
  5. Step 5: Solve for x
    x = 462,727,567,433.18/762,162.93
  6. Step 6: Final answer
    x = 607,124.21

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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.