Home / 1,007,513.69-1,390,348.90-548,633.71

Finding the Fourth Proportional to 1,007,513.69, 1,390,348.90 and 548,633.71

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Solution

The fourth proportional to 1,007,513.69, 1,390,348.90 and 548,633.71 is: 757,103.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,513.69 : 1,390,348.90 = 548,633.71 : x
  2. Step 2: Convert to fraction form
    1,007,513.69/1,390,348.90 = 548,633.71/x
  3. Step 3: Cross multiply
    1,007,513.69x = 1,390,348.90 × 548,633.71
  4. Step 4: Simplify right side
    1,007,513.69x = 762,792,269,804.44
  5. Step 5: Solve for x
    x = 762,792,269,804.44/1,007,513.69
  6. Step 6: Final answer
    x = 757,103.63

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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.