Home / 880,263.21-1,320,885.29-475,447.22

Finding the Fourth Proportional to 880,263.21, 1,320,885.29 and 475,447.22

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Solution

The fourth proportional to 880,263.21, 1,320,885.29 and 475,447.22 is: 713,435.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,263.21 : 1,320,885.29 = 475,447.22 : x
  2. Step 2: Convert to fraction form
    880,263.21/1,320,885.29 = 475,447.22/x
  3. Step 3: Cross multiply
    880,263.21x = 1,320,885.29 × 475,447.22
  4. Step 4: Simplify right side
    880,263.21x = 628,011,239,069.39
  5. Step 5: Solve for x
    x = 628,011,239,069.39/880,263.21
  6. Step 6: Final answer
    x = 713,435.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.