Home / 798,555.36-1,101,989.55-435,961.69

Finding the Fourth Proportional to 798,555.36, 1,101,989.55 and 435,961.69

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Solution

The fourth proportional to 798,555.36, 1,101,989.55 and 435,961.69 is: 601,617.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,555.36 : 1,101,989.55 = 435,961.69 : x
  2. Step 2: Convert to fraction form
    798,555.36/1,101,989.55 = 435,961.69/x
  3. Step 3: Cross multiply
    798,555.36x = 1,101,989.55 × 435,961.69
  4. Step 4: Simplify right side
    798,555.36x = 480,425,226,580.34
  5. Step 5: Solve for x
    x = 480,425,226,580.34/798,555.36
  6. Step 6: Final answer
    x = 601,617.94

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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.