Home / 688,009.60-1,031,139.60-332,257.60

Finding the Fourth Proportional to 688,009.60, 1,031,139.60 and 332,257.60

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Solution

The fourth proportional to 688,009.60, 1,031,139.60 and 332,257.60 is: 497,963.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,009.60 : 1,031,139.60 = 332,257.60 : x
  2. Step 2: Convert to fraction form
    688,009.60/1,031,139.60 = 332,257.60/x
  3. Step 3: Cross multiply
    688,009.60x = 1,031,139.60 × 332,257.60
  4. Step 4: Simplify right side
    688,009.60x = 342,603,968,760.96
  5. Step 5: Solve for x
    x = 342,603,968,760.96/688,009.60
  6. Step 6: Final answer
    x = 497,963.94

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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.