Home / 688,145.56-1,031,955.08-226,415.98

Finding the Fourth Proportional to 688,145.56, 1,031,955.08 and 226,415.98

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Solution

The fourth proportional to 688,145.56, 1,031,955.08 and 226,415.98 is: 339,537.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,145.56 : 1,031,955.08 = 226,415.98 : x
  2. Step 2: Convert to fraction form
    688,145.56/1,031,955.08 = 226,415.98/x
  3. Step 3: Cross multiply
    688,145.56x = 1,031,955.08 × 226,415.98
  4. Step 4: Simplify right side
    688,145.56x = 233,651,120,754.18
  5. Step 5: Solve for x
    x = 233,651,120,754.18/688,145.56
  6. Step 6: Final answer
    x = 339,537.35

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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.