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Finding the Fourth Proportional to 648,233.38, 894,611.64 and 357,900.93

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Solution

The fourth proportional to 648,233.38, 894,611.64 and 357,900.93 is: 493,930.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,233.38 : 894,611.64 = 357,900.93 : x
  2. Step 2: Convert to fraction form
    648,233.38/894,611.64 = 357,900.93/x
  3. Step 3: Cross multiply
    648,233.38x = 894,611.64 × 357,900.93
  4. Step 4: Simplify right side
    648,233.38x = 320,182,337,273.76
  5. Step 5: Solve for x
    x = 320,182,337,273.76/648,233.38
  6. Step 6: Final answer
    x = 493,930.65

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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.