Home / 672,028.29-1,007,692.46-316,946.97

Finding the Fourth Proportional to 672,028.29, 1,007,692.46 and 316,946.97

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Solution

The fourth proportional to 672,028.29, 1,007,692.46 and 316,946.97 is: 475,255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,028.29 : 1,007,692.46 = 316,946.97 : x
  2. Step 2: Convert to fraction form
    672,028.29/1,007,692.46 = 316,946.97/x
  3. Step 3: Cross multiply
    672,028.29x = 1,007,692.46 × 316,946.97
  4. Step 4: Simplify right side
    672,028.29x = 319,385,070,304.11
  5. Step 5: Solve for x
    x = 319,385,070,304.11/672,028.29
  6. Step 6: Final answer
    x = 475,255.39

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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.