Home / 801,691.35-1,106,320.37-434,165.51

Finding the Fourth Proportional to 801,691.35, 1,106,320.37 and 434,165.51

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Solution

The fourth proportional to 801,691.35, 1,106,320.37 and 434,165.51 is: 599,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,691.35 : 1,106,320.37 = 434,165.51 : x
  2. Step 2: Convert to fraction form
    801,691.35/1,106,320.37 = 434,165.51/x
  3. Step 3: Cross multiply
    801,691.35x = 1,106,320.37 × 434,165.51
  4. Step 4: Simplify right side
    801,691.35x = 480,326,139,962.01
  5. Step 5: Solve for x
    x = 480,326,139,962.01/801,691.35
  6. Step 6: Final answer
    x = 599,140.98

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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.