Home / 810,625.03-1,118,643.13-443,085.77

Finding the Fourth Proportional to 810,625.03, 1,118,643.13 and 443,085.77

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Solution

The fourth proportional to 810,625.03, 1,118,643.13 and 443,085.77 is: 611,447.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,625.03 : 1,118,643.13 = 443,085.77 : x
  2. Step 2: Convert to fraction form
    810,625.03/1,118,643.13 = 443,085.77/x
  3. Step 3: Cross multiply
    810,625.03x = 1,118,643.13 × 443,085.77
  4. Step 4: Simplify right side
    810,625.03x = 495,654,854,300.15
  5. Step 5: Solve for x
    x = 495,654,854,300.15/810,625.03
  6. Step 6: Final answer
    x = 611,447.76

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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.