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Finding the Fourth Proportional to 671,432.67, 926,577.06 and 365,511.27

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Solution

The fourth proportional to 671,432.67, 926,577.06 and 365,511.27 is: 504,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,432.67 : 926,577.06 = 365,511.27 : x
  2. Step 2: Convert to fraction form
    671,432.67/926,577.06 = 365,511.27/x
  3. Step 3: Cross multiply
    671,432.67x = 926,577.06 × 365,511.27
  4. Step 4: Simplify right side
    671,432.67x = 338,674,357,953.47
  5. Step 5: Solve for x
    x = 338,674,357,953.47/671,432.67
  6. Step 6: Final answer
    x = 504,405.54

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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.