Home / 687,865.92-1,031,771.14-350,899.18

Finding the Fourth Proportional to 687,865.92, 1,031,771.14 and 350,899.18

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Solution

The fourth proportional to 687,865.92, 1,031,771.14 and 350,899.18 is: 526,334.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,865.92 : 1,031,771.14 = 350,899.18 : x
  2. Step 2: Convert to fraction form
    687,865.92/1,031,771.14 = 350,899.18/x
  3. Step 3: Cross multiply
    687,865.92x = 1,031,771.14 × 350,899.18
  4. Step 4: Simplify right side
    687,865.92x = 362,047,646,973.67
  5. Step 5: Solve for x
    x = 362,047,646,973.67/687,865.92
  6. Step 6: Final answer
    x = 526,334.62

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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.