Home / 762,145.93-1,051,685.61-439,959.83

Finding the Fourth Proportional to 762,145.93, 1,051,685.61 and 439,959.83

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Solution

The fourth proportional to 762,145.93, 1,051,685.61 and 439,959.83 is: 607,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,145.93 : 1,051,685.61 = 439,959.83 : x
  2. Step 2: Convert to fraction form
    762,145.93/1,051,685.61 = 439,959.83/x
  3. Step 3: Cross multiply
    762,145.93x = 1,051,685.61 × 439,959.83
  4. Step 4: Simplify right side
    762,145.93x = 462,699,422,189.05
  5. Step 5: Solve for x
    x = 462,699,422,189.05/762,145.93
  6. Step 6: Final answer
    x = 607,100.83

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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.