Home / 749,975.49-1,034,940.65-427,789.89

Finding the Fourth Proportional to 749,975.49, 1,034,940.65 and 427,789.89

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Solution

The fourth proportional to 749,975.49, 1,034,940.65 and 427,789.89 is: 590,335.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,975.49 : 1,034,940.65 = 427,789.89 : x
  2. Step 2: Convert to fraction form
    749,975.49/1,034,940.65 = 427,789.89/x
  3. Step 3: Cross multiply
    749,975.49x = 1,034,940.65 × 427,789.89
  4. Step 4: Simplify right side
    749,975.49x = 442,737,144,681.08
  5. Step 5: Solve for x
    x = 442,737,144,681.08/749,975.49
  6. Step 6: Final answer
    x = 590,335.49

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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.