Home / 762,145.32-1,051,684.74-439,959.22

Finding the Fourth Proportional to 762,145.32, 1,051,684.74 and 439,959.22

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Solution

The fourth proportional to 762,145.32, 1,051,684.74 and 439,959.22 is: 607,099.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,145.32 : 1,051,684.74 = 439,959.22 : x
  2. Step 2: Convert to fraction form
    762,145.32/1,051,684.74 = 439,959.22/x
  3. Step 3: Cross multiply
    762,145.32x = 1,051,684.74 × 439,959.22
  4. Step 4: Simplify right side
    762,145.32x = 462,698,397,896.30
  5. Step 5: Solve for x
    x = 462,698,397,896.30/762,145.32
  6. Step 6: Final answer
    x = 607,099.97

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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.