Home / 717,123.92-1,075,435.17-211,550.66

Finding the Fourth Proportional to 717,123.92, 1,075,435.17 and 211,550.66

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Solution

The fourth proportional to 717,123.92, 1,075,435.17 and 211,550.66 is: 317,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,123.92 : 1,075,435.17 = 211,550.66 : x
  2. Step 2: Convert to fraction form
    717,123.92/1,075,435.17 = 211,550.66/x
  3. Step 3: Cross multiply
    717,123.92x = 1,075,435.17 × 211,550.66
  4. Step 4: Simplify right side
    717,123.92x = 227,509,020,000.71
  5. Step 5: Solve for x
    x = 227,509,020,000.71/717,123.92
  6. Step 6: Final answer
    x = 317,252.03

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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.