Home / 909,885.09-1,255,629.48-502,004.10

Finding the Fourth Proportional to 909,885.09, 1,255,629.48 and 502,004.10

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Solution

The fourth proportional to 909,885.09, 1,255,629.48 and 502,004.10 is: 692,759.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,885.09 : 1,255,629.48 = 502,004.10 : x
  2. Step 2: Convert to fraction form
    909,885.09/1,255,629.48 = 502,004.10/x
  3. Step 3: Cross multiply
    909,885.09x = 1,255,629.48 × 502,004.10
  4. Step 4: Simplify right side
    909,885.09x = 630,331,147,040.87
  5. Step 5: Solve for x
    x = 630,331,147,040.87/909,885.09
  6. Step 6: Final answer
    x = 692,759.07

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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.