Home / 658,272.11-908,402.60-367,886.34

Finding the Fourth Proportional to 658,272.11, 908,402.60 and 367,886.34

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Solution

The fourth proportional to 658,272.11, 908,402.60 and 367,886.34 is: 507,675.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,272.11 : 908,402.60 = 367,886.34 : x
  2. Step 2: Convert to fraction form
    658,272.11/908,402.60 = 367,886.34/x
  3. Step 3: Cross multiply
    658,272.11x = 908,402.60 × 367,886.34
  4. Step 4: Simplify right side
    658,272.11x = 334,188,905,921.05
  5. Step 5: Solve for x
    x = 334,188,905,921.05/658,272.11
  6. Step 6: Final answer
    x = 507,675.93

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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.