Home / 762,143.60-1,051,682.37-439,957.49

Finding the Fourth Proportional to 762,143.60, 1,051,682.37 and 439,957.49

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Solution

The fourth proportional to 762,143.60, 1,051,682.37 and 439,957.49 is: 607,097.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,143.60 : 1,051,682.37 = 439,957.49 : x
  2. Step 2: Convert to fraction form
    762,143.60/1,051,682.37 = 439,957.49/x
  3. Step 3: Cross multiply
    762,143.60x = 1,051,682.37 × 439,957.49
  4. Step 4: Simplify right side
    762,143.60x = 462,695,535,782.45
  5. Step 5: Solve for x
    x = 462,695,535,782.45/762,143.60
  6. Step 6: Final answer
    x = 607,097.58

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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.