Home / 849,419.36-1,172,198.88-467,446.14

Finding the Fourth Proportional to 849,419.36, 1,172,198.88 and 467,446.14

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Solution

The fourth proportional to 849,419.36, 1,172,198.88 and 467,446.14 is: 645,075.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,419.36 : 1,172,198.88 = 467,446.14 : x
  2. Step 2: Convert to fraction form
    849,419.36/1,172,198.88 = 467,446.14/x
  3. Step 3: Cross multiply
    849,419.36x = 1,172,198.88 × 467,446.14
  4. Step 4: Simplify right side
    849,419.36x = 547,939,838,881.05
  5. Step 5: Solve for x
    x = 547,939,838,881.05/849,419.36
  6. Step 6: Final answer
    x = 645,075.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.