Home / 688,003.70-1,032,005.55-238,575.20

Finding the Fourth Proportional to 688,003.70, 1,032,005.55 and 238,575.20

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Solution

The fourth proportional to 688,003.70, 1,032,005.55 and 238,575.20 is: 357,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,003.70 : 1,032,005.55 = 238,575.20 : x
  2. Step 2: Convert to fraction form
    688,003.70/1,032,005.55 = 238,575.20/x
  3. Step 3: Cross multiply
    688,003.70x = 1,032,005.55 × 238,575.20
  4. Step 4: Simplify right side
    688,003.70x = 246,210,930,492.36
  5. Step 5: Solve for x
    x = 246,210,930,492.36/688,003.70
  6. Step 6: Final answer
    x = 357,862.80

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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.