Home / 866,015.82-1,195,053.53-478,808.82

Finding the Fourth Proportional to 866,015.82, 1,195,053.53 and 478,808.82

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Solution

The fourth proportional to 866,015.82, 1,195,053.53 and 478,808.82 is: 660,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,015.82 : 1,195,053.53 = 478,808.82 : x
  2. Step 2: Convert to fraction form
    866,015.82/1,195,053.53 = 478,808.82/x
  3. Step 3: Cross multiply
    866,015.82x = 1,195,053.53 × 478,808.82
  4. Step 4: Simplify right side
    866,015.82x = 572,202,168,142.09
  5. Step 5: Solve for x
    x = 572,202,168,142.09/866,015.82
  6. Step 6: Final answer
    x = 660,729.46

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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.