Home / 990,104.69-1,366,307.92-537,385.97

Finding the Fourth Proportional to 990,104.69, 1,366,307.92 and 537,385.97

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Solution

The fourth proportional to 990,104.69, 1,366,307.92 and 537,385.97 is: 741,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,104.69 : 1,366,307.92 = 537,385.97 : x
  2. Step 2: Convert to fraction form
    990,104.69/1,366,307.92 = 537,385.97/x
  3. Step 3: Cross multiply
    990,104.69x = 1,366,307.92 × 537,385.97
  4. Step 4: Simplify right side
    990,104.69x = 734,234,706,907.88
  5. Step 5: Solve for x
    x = 734,234,706,907.88/990,104.69
  6. Step 6: Final answer
    x = 741,572.80

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Double scale
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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.