Home / 692,462.94-1,038,798.09-218,990.94

Finding the Fourth Proportional to 692,462.94, 1,038,798.09 and 218,990.94

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Solution

The fourth proportional to 692,462.94, 1,038,798.09 and 218,990.94 is: 328,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,462.94 : 1,038,798.09 = 218,990.94 : x
  2. Step 2: Convert to fraction form
    692,462.94/1,038,798.09 = 218,990.94/x
  3. Step 3: Cross multiply
    692,462.94x = 1,038,798.09 × 218,990.94
  4. Step 4: Simplify right side
    692,462.94x = 227,487,370,199.31
  5. Step 5: Solve for x
    x = 227,487,370,199.31/692,462.94
  6. Step 6: Final answer
    x = 328,519.20

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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.