Home / 717,099.69-1,075,398.88-211,526.45

Finding the Fourth Proportional to 717,099.69, 1,075,398.88 and 211,526.45

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Solution

The fourth proportional to 717,099.69, 1,075,398.88 and 211,526.45 is: 317,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,099.69 : 1,075,398.88 = 211,526.45 : x
  2. Step 2: Convert to fraction form
    717,099.69/1,075,398.88 = 211,526.45/x
  3. Step 3: Cross multiply
    717,099.69x = 1,075,398.88 × 211,526.45
  4. Step 4: Simplify right side
    717,099.69x = 227,475,311,993.04
  5. Step 5: Solve for x
    x = 227,475,311,993.04/717,099.69
  6. Step 6: Final answer
    x = 317,215.75

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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.