Home / 692,002.72-1,037,914.80-218,735.92

Finding the Fourth Proportional to 692,002.72, 1,037,914.80 and 218,735.92

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Solution

The fourth proportional to 692,002.72, 1,037,914.80 and 218,735.92 is: 328,075.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,002.72 : 1,037,914.80 = 218,735.92 : x
  2. Step 2: Convert to fraction form
    692,002.72/1,037,914.80 = 218,735.92/x
  3. Step 3: Cross multiply
    692,002.72x = 1,037,914.80 × 218,735.92
  4. Step 4: Simplify right side
    692,002.72x = 227,029,248,659.62
  5. Step 5: Solve for x
    x = 227,029,248,659.62/692,002.72
  6. Step 6: Final answer
    x = 328,075.66

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1.5x scale

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.