Home / 909,302.24-1,255,267.51-527,189.60

Finding the Fourth Proportional to 909,302.24, 1,255,267.51 and 527,189.60

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Solution

The fourth proportional to 909,302.24, 1,255,267.51 and 527,189.60 is: 727,771.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,302.24 : 1,255,267.51 = 527,189.60 : x
  2. Step 2: Convert to fraction form
    909,302.24/1,255,267.51 = 527,189.60/x
  3. Step 3: Cross multiply
    909,302.24x = 1,255,267.51 × 527,189.60
  4. Step 4: Simplify right side
    909,302.24x = 661,763,978,310.09
  5. Step 5: Solve for x
    x = 661,763,978,310.09/909,302.24
  6. Step 6: Final answer
    x = 727,771.19

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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.