Home / 762,143.51-1,051,682.24-439,957.40

Finding the Fourth Proportional to 762,143.51, 1,051,682.24 and 439,957.40

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Solution

The fourth proportional to 762,143.51, 1,051,682.24 and 439,957.40 is: 607,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,143.51 : 1,051,682.24 = 439,957.40 : x
  2. Step 2: Convert to fraction form
    762,143.51/1,051,682.24 = 439,957.40/x
  3. Step 3: Cross multiply
    762,143.51x = 1,051,682.24 × 439,957.40
  4. Step 4: Simplify right side
    762,143.51x = 462,695,383,936.58
  5. Step 5: Solve for x
    x = 462,695,383,936.58/762,143.51
  6. Step 6: Final answer
    x = 607,097.46

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1.5x scale

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.