Home / 810,588.30-1,118,669.77-448,004.36

Finding the Fourth Proportional to 810,588.30, 1,118,669.77 and 448,004.36

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Solution

The fourth proportional to 810,588.30, 1,118,669.77 and 448,004.36 is: 618,278.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,588.30 : 1,118,669.77 = 448,004.36 : x
  2. Step 2: Convert to fraction form
    810,588.30/1,118,669.77 = 448,004.36/x
  3. Step 3: Cross multiply
    810,588.30x = 1,118,669.77 × 448,004.36
  4. Step 4: Simplify right side
    810,588.30x = 501,168,934,360.20
  5. Step 5: Solve for x
    x = 501,168,934,360.20/810,588.30
  6. Step 6: Final answer
    x = 618,278.03

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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.