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Finding the Fourth Proportional to 671,383.65, 926,530.31 and 365,480.40

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Solution

The fourth proportional to 671,383.65, 926,530.31 and 365,480.40 is: 504,374.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,383.65 : 926,530.31 = 365,480.40 : x
  2. Step 2: Convert to fraction form
    671,383.65/926,530.31 = 365,480.40/x
  3. Step 3: Cross multiply
    671,383.65x = 926,530.31 × 365,480.40
  4. Step 4: Simplify right side
    671,383.65x = 338,628,666,483.52
  5. Step 5: Solve for x
    x = 338,628,666,483.52/671,383.65
  6. Step 6: Final answer
    x = 504,374.31

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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.