Home / 790,872.98-1,185,510.56-311,437.22

Finding the Fourth Proportional to 790,872.98, 1,185,510.56 and 311,437.22

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Solution

The fourth proportional to 790,872.98, 1,185,510.56 and 311,437.22 is: 466,841.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,872.98 : 1,185,510.56 = 311,437.22 : x
  2. Step 2: Convert to fraction form
    790,872.98/1,185,510.56 = 311,437.22/x
  3. Step 3: Cross multiply
    790,872.98x = 1,185,510.56 × 311,437.22
  4. Step 4: Simplify right side
    790,872.98x = 369,212,105,602.30
  5. Step 5: Solve for x
    x = 369,212,105,602.30/790,872.98
  6. Step 6: Final answer
    x = 466,841.22

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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.