Home / 692,003.15-1,037,885.02-312,835.70

Finding the Fourth Proportional to 692,003.15, 1,037,885.02 and 312,835.70

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Solution

The fourth proportional to 692,003.15, 1,037,885.02 and 312,835.70 is: 469,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,003.15 : 1,037,885.02 = 312,835.70 : x
  2. Step 2: Convert to fraction form
    692,003.15/1,037,885.02 = 312,835.70/x
  3. Step 3: Cross multiply
    692,003.15x = 1,037,885.02 × 312,835.70
  4. Step 4: Simplify right side
    692,003.15x = 324,687,481,561.79
  5. Step 5: Solve for x
    x = 324,687,481,561.79/692,003.15
  6. Step 6: Final answer
    x = 469,199.43

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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.