Home / 762,145.45-1,051,684.91-439,959.34

Finding the Fourth Proportional to 762,145.45, 1,051,684.91 and 439,959.34

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Solution

The fourth proportional to 762,145.45, 1,051,684.91 and 439,959.34 is: 607,100.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,145.45 : 1,051,684.91 = 439,959.34 : x
  2. Step 2: Convert to fraction form
    762,145.45/1,051,684.91 = 439,959.34/x
  3. Step 3: Cross multiply
    762,145.45x = 1,051,684.91 × 439,959.34
  4. Step 4: Simplify right side
    762,145.45x = 462,698,599,656.22
  5. Step 5: Solve for x
    x = 462,698,599,656.22/762,145.45
  6. Step 6: Final answer
    x = 607,100.13

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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.