Home / 849,348.50-1,172,149.43-486,832.77

Finding the Fourth Proportional to 849,348.50, 1,172,149.43 and 486,832.77

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Solution

The fourth proportional to 849,348.50, 1,172,149.43 and 486,832.77 is: 671,857.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,348.50 : 1,172,149.43 = 486,832.77 : x
  2. Step 2: Convert to fraction form
    849,348.50/1,172,149.43 = 486,832.77/x
  3. Step 3: Cross multiply
    849,348.50x = 1,172,149.43 × 486,832.77
  4. Step 4: Simplify right side
    849,348.50x = 570,640,751,426.66
  5. Step 5: Solve for x
    x = 570,640,751,426.66/849,348.50
  6. Step 6: Final answer
    x = 671,857.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.