Home / 717,011.72-1,075,702.12-211,552.28

Finding the Fourth Proportional to 717,011.72, 1,075,702.12 and 211,552.28

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Solution

The fourth proportional to 717,011.72, 1,075,702.12 and 211,552.28 is: 317,382.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,011.72 : 1,075,702.12 = 211,552.28 : x
  2. Step 2: Convert to fraction form
    717,011.72/1,075,702.12 = 211,552.28/x
  3. Step 3: Cross multiply
    717,011.72x = 1,075,702.12 × 211,552.28
  4. Step 4: Simplify right side
    717,011.72x = 227,567,236,086.83
  5. Step 5: Solve for x
    x = 227,567,236,086.83/717,011.72
  6. Step 6: Final answer
    x = 317,382.87

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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.