Home / 753,355.25-1,039,335.80-430,893.03

Finding the Fourth Proportional to 753,355.25, 1,039,335.80 and 430,893.03

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Solution

The fourth proportional to 753,355.25, 1,039,335.80 and 430,893.03 is: 594,463.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,355.25 : 1,039,335.80 = 430,893.03 : x
  2. Step 2: Convert to fraction form
    753,355.25/1,039,335.80 = 430,893.03/x
  3. Step 3: Cross multiply
    753,355.25x = 1,039,335.80 × 430,893.03
  4. Step 4: Simplify right side
    753,355.25x = 447,842,549,895.01
  5. Step 5: Solve for x
    x = 447,842,549,895.01/753,355.25
  6. Step 6: Final answer
    x = 594,463.97

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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.