Home / 691,071.45-1,036,659.65-235,521.10

Finding the Fourth Proportional to 691,071.45, 1,036,659.65 and 235,521.10

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Solution

The fourth proportional to 691,071.45, 1,036,659.65 and 235,521.10 is: 353,299.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,071.45 : 1,036,659.65 = 235,521.10 : x
  2. Step 2: Convert to fraction form
    691,071.45/1,036,659.65 = 235,521.10/x
  3. Step 3: Cross multiply
    691,071.45x = 1,036,659.65 × 235,521.10
  4. Step 4: Simplify right side
    691,071.45x = 244,155,221,093.62
  5. Step 5: Solve for x
    x = 244,155,221,093.62/691,071.45
  6. Step 6: Final answer
    x = 353,299.53

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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.