Home / 675,312.49-1,012,970.45-275,953.31

Finding the Fourth Proportional to 675,312.49, 1,012,970.45 and 275,953.31

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Solution

The fourth proportional to 675,312.49, 1,012,970.45 and 275,953.31 is: 413,930.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,312.49 : 1,012,970.45 = 275,953.31 : x
  2. Step 2: Convert to fraction form
    675,312.49/1,012,970.45 = 275,953.31/x
  3. Step 3: Cross multiply
    675,312.49x = 1,012,970.45 × 275,953.31
  4. Step 4: Simplify right side
    675,312.49x = 279,532,543,244.10
  5. Step 5: Solve for x
    x = 279,532,543,244.10/675,312.49
  6. Step 6: Final answer
    x = 413,930.66

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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.