Home / 965,201.75-1,332,041.52-557,320.78

Finding the Fourth Proportional to 965,201.75, 1,332,041.52 and 557,320.78

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Solution

The fourth proportional to 965,201.75, 1,332,041.52 and 557,320.78 is: 769,139.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,201.75 : 1,332,041.52 = 557,320.78 : x
  2. Step 2: Convert to fraction form
    965,201.75/1,332,041.52 = 557,320.78/x
  3. Step 3: Cross multiply
    965,201.75x = 1,332,041.52 × 557,320.78
  4. Step 4: Simplify right side
    965,201.75x = 742,374,418,918.79
  5. Step 5: Solve for x
    x = 742,374,418,918.79/965,201.75
  6. Step 6: Final answer
    x = 769,139.11

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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.