Home / 717,131.40-1,075,446.38-211,558.16

Finding the Fourth Proportional to 717,131.40, 1,075,446.38 and 211,558.16

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Solution

The fourth proportional to 717,131.40, 1,075,446.38 and 211,558.16 is: 317,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,131.40 : 1,075,446.38 = 211,558.16 : x
  2. Step 2: Convert to fraction form
    717,131.40/1,075,446.38 = 211,558.16/x
  3. Step 3: Cross multiply
    717,131.40x = 1,075,446.38 × 211,558.16
  4. Step 4: Simplify right side
    717,131.40x = 227,519,457,331.46
  5. Step 5: Solve for x
    x = 227,519,457,331.46/717,131.40
  6. Step 6: Final answer
    x = 317,263.28

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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.