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Finding the Fourth Proportional to 634,361.83, 875,338.66 and 362,447.33

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Solution

The fourth proportional to 634,361.83, 875,338.66 and 362,447.33 is: 500,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,361.83 : 875,338.66 = 362,447.33 : x
  2. Step 2: Convert to fraction form
    634,361.83/875,338.66 = 362,447.33/x
  3. Step 3: Cross multiply
    634,361.83x = 875,338.66 × 362,447.33
  4. Step 4: Simplify right side
    634,361.83x = 317,264,160,162.78
  5. Step 5: Solve for x
    x = 317,264,160,162.78/634,361.83
  6. Step 6: Final answer
    x = 500,131.23

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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.