Home / 920,467.09-1,270,243.91-538,567.48

Finding the Fourth Proportional to 920,467.09, 1,270,243.91 and 538,567.48

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Solution

The fourth proportional to 920,467.09, 1,270,243.91 and 538,567.48 is: 743,222.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,467.09 : 1,270,243.91 = 538,567.48 : x
  2. Step 2: Convert to fraction form
    920,467.09/1,270,243.91 = 538,567.48/x
  3. Step 3: Cross multiply
    920,467.09x = 1,270,243.91 × 538,567.48
  4. Step 4: Simplify right side
    920,467.09x = 684,112,052,549.99
  5. Step 5: Solve for x
    x = 684,112,052,549.99/920,467.09
  6. Step 6: Final answer
    x = 743,222.72

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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.