Home / 650,220.70-897,332.03-401,917.83

Finding the Fourth Proportional to 650,220.70, 897,332.03 and 401,917.83

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Solution

The fourth proportional to 650,220.70, 897,332.03 and 401,917.83 is: 554,663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,220.70 : 897,332.03 = 401,917.83 : x
  2. Step 2: Convert to fraction form
    650,220.70/897,332.03 = 401,917.83/x
  3. Step 3: Cross multiply
    650,220.70x = 897,332.03 × 401,917.83
  4. Step 4: Simplify right side
    650,220.70x = 360,653,742,287.10
  5. Step 5: Solve for x
    x = 360,653,742,287.10/650,220.70
  6. Step 6: Final answer
    x = 554,663.58

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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.