Home / 953,215.02-1,430,018.82-279,318.24

Finding the Fourth Proportional to 953,215.02, 1,430,018.82 and 279,318.24

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Solution

The fourth proportional to 953,215.02, 1,430,018.82 and 279,318.24 is: 419,034.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,215.02 : 1,430,018.82 = 279,318.24 : x
  2. Step 2: Convert to fraction form
    953,215.02/1,430,018.82 = 279,318.24/x
  3. Step 3: Cross multiply
    953,215.02x = 1,430,018.82 × 279,318.24
  4. Step 4: Simplify right side
    953,215.02x = 399,430,339,969.28
  5. Step 5: Solve for x
    x = 399,430,339,969.28/953,215.02
  6. Step 6: Final answer
    x = 419,034.88

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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.