Home / 691,347.71-1,037,020.35-270,328.34

Finding the Fourth Proportional to 691,347.71, 1,037,020.35 and 270,328.34

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Solution

The fourth proportional to 691,347.71, 1,037,020.35 and 270,328.34 is: 405,492.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,347.71 : 1,037,020.35 = 270,328.34 : x
  2. Step 2: Convert to fraction form
    691,347.71/1,037,020.35 = 270,328.34/x
  3. Step 3: Cross multiply
    691,347.71x = 1,037,020.35 × 270,328.34
  4. Step 4: Simplify right side
    691,347.71x = 280,335,989,761.72
  5. Step 5: Solve for x
    x = 280,335,989,761.72/691,347.71
  6. Step 6: Final answer
    x = 405,492.03

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Double scale
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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.