Home / 691,345.71-1,037,017.35-270,326.34

Finding the Fourth Proportional to 691,345.71, 1,037,017.35 and 270,326.34

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Solution

The fourth proportional to 691,345.71, 1,037,017.35 and 270,326.34 is: 405,489.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,345.71 : 1,037,017.35 = 270,326.34 : x
  2. Step 2: Convert to fraction form
    691,345.71/1,037,017.35 = 270,326.34/x
  3. Step 3: Cross multiply
    691,345.71x = 1,037,017.35 × 270,326.34
  4. Step 4: Simplify right side
    691,345.71x = 280,333,104,742.00
  5. Step 5: Solve for x
    x = 280,333,104,742.00/691,345.71
  6. Step 6: Final answer
    x = 405,489.03

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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.