Home / 687,427.02-1,030,894.46-238,027.20

Finding the Fourth Proportional to 687,427.02, 1,030,894.46 and 238,027.20

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Solution

The fourth proportional to 687,427.02, 1,030,894.46 and 238,027.20 is: 356,955.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,427.02 : 1,030,894.46 = 238,027.20 : x
  2. Step 2: Convert to fraction form
    687,427.02/1,030,894.46 = 238,027.20/x
  3. Step 3: Cross multiply
    687,427.02x = 1,030,894.46 × 238,027.20
  4. Step 4: Simplify right side
    687,427.02x = 245,380,920,619.18
  5. Step 5: Solve for x
    x = 245,380,920,619.18/687,427.02
  6. Step 6: Final answer
    x = 356,955.59

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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.