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Finding the Fourth Proportional to 671,197.47, 926,273.51 and 380,821.26

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Solution

The fourth proportional to 671,197.47, 926,273.51 and 380,821.26 is: 525,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,197.47 : 926,273.51 = 380,821.26 : x
  2. Step 2: Convert to fraction form
    671,197.47/926,273.51 = 380,821.26/x
  3. Step 3: Cross multiply
    671,197.47x = 926,273.51 × 380,821.26
  4. Step 4: Simplify right side
    671,197.47x = 352,744,645,182.82
  5. Step 5: Solve for x
    x = 352,744,645,182.82/671,197.47
  6. Step 6: Final answer
    x = 525,545.25

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Double scale
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Similar ratio
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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.