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Finding the Fourth Proportional to 613,160.65, 846,189.35 and 344,888.65

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Solution

The fourth proportional to 613,160.65, 846,189.35 and 344,888.65 is: 475,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,160.65 : 846,189.35 = 344,888.65 : x
  2. Step 2: Convert to fraction form
    613,160.65/846,189.35 = 344,888.65/x
  3. Step 3: Cross multiply
    613,160.65x = 846,189.35 × 344,888.65
  4. Step 4: Simplify right side
    613,160.65x = 291,841,100,841.43
  5. Step 5: Solve for x
    x = 291,841,100,841.43/613,160.65
  6. Step 6: Final answer
    x = 475,961.89

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1.5x scale

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.