Home / 695,692.80-1,042,931.70-269,519.40

Finding the Fourth Proportional to 695,692.80, 1,042,931.70 and 269,519.40

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Solution

The fourth proportional to 695,692.80, 1,042,931.70 and 269,519.40 is: 404,043.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,692.80 : 1,042,931.70 = 269,519.40 : x
  2. Step 2: Convert to fraction form
    695,692.80/1,042,931.70 = 269,519.40/x
  3. Step 3: Cross multiply
    695,692.80x = 1,042,931.70 × 269,519.40
  4. Step 4: Simplify right side
    695,692.80x = 281,090,326,024.98
  5. Step 5: Solve for x
    x = 281,090,326,024.98/695,692.80
  6. Step 6: Final answer
    x = 404,043.75

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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.