Home / 692,729.30-1,039,152.88-243,411.37

Finding the Fourth Proportional to 692,729.30, 1,039,152.88 and 243,411.37

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Solution

The fourth proportional to 692,729.30, 1,039,152.88 and 243,411.37 is: 365,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,729.30 : 1,039,152.88 = 243,411.37 : x
  2. Step 2: Convert to fraction form
    692,729.30/1,039,152.88 = 243,411.37/x
  3. Step 3: Cross multiply
    692,729.30x = 1,039,152.88 × 243,411.37
  4. Step 4: Simplify right side
    692,729.30x = 252,941,626,160.25
  5. Step 5: Solve for x
    x = 252,941,626,160.25/692,729.30
  6. Step 6: Final answer
    x = 365,137.76

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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.