Home / 880,914.03-1,215,628.88-478,497.39

Finding the Fourth Proportional to 880,914.03, 1,215,628.88 and 478,497.39

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Solution

The fourth proportional to 880,914.03, 1,215,628.88 and 478,497.39 is: 660,308.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,914.03 : 1,215,628.88 = 478,497.39 : x
  2. Step 2: Convert to fraction form
    880,914.03/1,215,628.88 = 478,497.39/x
  3. Step 3: Cross multiply
    880,914.03x = 1,215,628.88 × 478,497.39
  4. Step 4: Simplify right side
    880,914.03x = 581,675,243,896.14
  5. Step 5: Solve for x
    x = 581,675,243,896.14/880,914.03
  6. Step 6: Final answer
    x = 660,308.75

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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.