Home / 880,262.40-1,320,884.07-475,446.42

Finding the Fourth Proportional to 880,262.40, 1,320,884.07 and 475,446.42

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Solution

The fourth proportional to 880,262.40, 1,320,884.07 and 475,446.42 is: 713,434.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,262.40 : 1,320,884.07 = 475,446.42 : x
  2. Step 2: Convert to fraction form
    880,262.40/1,320,884.07 = 475,446.42/x
  3. Step 3: Cross multiply
    880,262.40x = 1,320,884.07 × 475,446.42
  4. Step 4: Simplify right side
    880,262.40x = 628,009,602,316.53
  5. Step 5: Solve for x
    x = 628,009,602,316.53/880,262.40
  6. Step 6: Final answer
    x = 713,434.54

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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.