Home / 688,466.12-1,033,103.36-289,076.18

Finding the Fourth Proportional to 688,466.12, 1,033,103.36 and 289,076.18

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Solution

The fourth proportional to 688,466.12, 1,033,103.36 and 289,076.18 is: 433,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,466.12 : 1,033,103.36 = 289,076.18 : x
  2. Step 2: Convert to fraction form
    688,466.12/1,033,103.36 = 289,076.18/x
  3. Step 3: Cross multiply
    688,466.12x = 1,033,103.36 × 289,076.18
  4. Step 4: Simplify right side
    688,466.12x = 298,645,568,411.14
  5. Step 5: Solve for x
    x = 298,645,568,411.14/688,466.12
  6. Step 6: Final answer
    x = 433,783.98

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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.