Home / 691,256.70-1,036,885.05-292,347.90

Finding the Fourth Proportional to 691,256.70, 1,036,885.05 and 292,347.90

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Solution

The fourth proportional to 691,256.70, 1,036,885.05 and 292,347.90 is: 438,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,256.70 : 1,036,885.05 = 292,347.90 : x
  2. Step 2: Convert to fraction form
    691,256.70/1,036,885.05 = 292,347.90/x
  3. Step 3: Cross multiply
    691,256.70x = 1,036,885.05 × 292,347.90
  4. Step 4: Simplify right side
    691,256.70x = 303,131,166,908.90
  5. Step 5: Solve for x
    x = 303,131,166,908.90/691,256.70
  6. Step 6: Final answer
    x = 438,521.85

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Similar ratio
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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.