Home / 903,358.70-1,355,562.96-404,722.70

Finding the Fourth Proportional to 903,358.70, 1,355,562.96 and 404,722.70

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Solution

The fourth proportional to 903,358.70, 1,355,562.96 and 404,722.70 is: 607,319.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,358.70 : 1,355,562.96 = 404,722.70 : x
  2. Step 2: Convert to fraction form
    903,358.70/1,355,562.96 = 404,722.70/x
  3. Step 3: Cross multiply
    903,358.70x = 1,355,562.96 × 404,722.70
  4. Step 4: Simplify right side
    903,358.70x = 548,627,101,191.19
  5. Step 5: Solve for x
    x = 548,627,101,191.19/903,358.70
  6. Step 6: Final answer
    x = 607,319.22

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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.