Home / 689,546.40-1,034,319.60-335,252.40

Finding the Fourth Proportional to 689,546.40, 1,034,319.60 and 335,252.40

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Solution

The fourth proportional to 689,546.40, 1,034,319.60 and 335,252.40 is: 502,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,546.40 : 1,034,319.60 = 335,252.40 : x
  2. Step 2: Convert to fraction form
    689,546.40/1,034,319.60 = 335,252.40/x
  3. Step 3: Cross multiply
    689,546.40x = 1,034,319.60 × 335,252.40
  4. Step 4: Simplify right side
    689,546.40x = 346,758,128,267.04
  5. Step 5: Solve for x
    x = 346,758,128,267.04/689,546.40
  6. Step 6: Final answer
    x = 502,878.60

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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.