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Finding the Fourth Proportional to 898,708.80, 1,347,688.32 and 365,868

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Solution

The fourth proportional to 898,708.80, 1,347,688.32 and 365,868 is: 548,649.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,708.80 : 1,347,688.32 = 365,868 : x
  2. Step 2: Convert to fraction form
    898,708.80/1,347,688.32 = 365,868/x
  3. Step 3: Cross multiply
    898,708.80x = 1,347,688.32 × 365,868
  4. Step 4: Simplify right side
    898,708.80x = 493,076,030,261.76
  5. Step 5: Solve for x
    x = 493,076,030,261.76/898,708.80
  6. Step 6: Final answer
    x = 548,649.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.