Home / 749,976.49-1,034,942.02-427,790.89

Finding the Fourth Proportional to 749,976.49, 1,034,942.02 and 427,790.89

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Solution

The fourth proportional to 749,976.49, 1,034,942.02 and 427,790.89 is: 590,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,976.49 : 1,034,942.02 = 427,790.89 : x
  2. Step 2: Convert to fraction form
    749,976.49/1,034,942.02 = 427,790.89/x
  3. Step 3: Cross multiply
    749,976.49x = 1,034,942.02 × 427,790.89
  4. Step 4: Simplify right side
    749,976.49x = 442,738,767,834.20
  5. Step 5: Solve for x
    x = 442,738,767,834.20/749,976.49
  6. Step 6: Final answer
    x = 590,336.86

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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.