Home / 716,886.57-1,075,514.37-211,427.13

Finding the Fourth Proportional to 716,886.57, 1,075,514.37 and 211,427.13

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Solution

The fourth proportional to 716,886.57, 1,075,514.37 and 211,427.13 is: 317,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,886.57 : 1,075,514.37 = 211,427.13 : x
  2. Step 2: Convert to fraction form
    716,886.57/1,075,514.37 = 211,427.13/x
  3. Step 3: Cross multiply
    716,886.57x = 1,075,514.37 × 211,427.13
  4. Step 4: Simplify right side
    716,886.57x = 227,392,916,522.86
  5. Step 5: Solve for x
    x = 227,392,916,522.86/716,886.57
  6. Step 6: Final answer
    x = 317,195.11

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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.