Home / 810,039.55-1,117,017.29-695,696.80

Finding the Fourth Proportional to 810,039.55, 1,117,017.29 and 695,696.80

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Solution

The fourth proportional to 810,039.55, 1,117,017.29 and 695,696.80 is: 959,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,039.55 : 1,117,017.29 = 695,696.80 : x
  2. Step 2: Convert to fraction form
    810,039.55/1,117,017.29 = 695,696.80/x
  3. Step 3: Cross multiply
    810,039.55x = 1,117,017.29 × 695,696.80
  4. Step 4: Simplify right side
    810,039.55x = 777,105,354,197.67
  5. Step 5: Solve for x
    x = 777,105,354,197.67/810,039.55
  6. Step 6: Final answer
    x = 959,342.48

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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.