Home / 762,154.97-1,051,698.06-439,968.87

Finding the Fourth Proportional to 762,154.97, 1,051,698.06 and 439,968.87

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Solution

The fourth proportional to 762,154.97, 1,051,698.06 and 439,968.87 is: 607,113.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,154.97 : 1,051,698.06 = 439,968.87 : x
  2. Step 2: Convert to fraction form
    762,154.97/1,051,698.06 = 439,968.87/x
  3. Step 3: Cross multiply
    762,154.97x = 1,051,698.06 × 439,968.87
  4. Step 4: Simplify right side
    762,154.97x = 462,714,407,039.39
  5. Step 5: Solve for x
    x = 462,714,407,039.39/762,154.97
  6. Step 6: Final answer
    x = 607,113.29

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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.