Home / 849,419.11-1,172,198.54-467,445.89

Finding the Fourth Proportional to 849,419.11, 1,172,198.54 and 467,445.89

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Solution

The fourth proportional to 849,419.11, 1,172,198.54 and 467,445.89 is: 645,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,419.11 : 1,172,198.54 = 467,445.89 : x
  2. Step 2: Convert to fraction form
    849,419.11/1,172,198.54 = 467,445.89/x
  3. Step 3: Cross multiply
    849,419.11x = 1,172,198.54 × 467,445.89
  4. Step 4: Simplify right side
    849,419.11x = 547,939,389,787.00
  5. Step 5: Solve for x
    x = 547,939,389,787.00/849,419.11
  6. Step 6: Final answer
    x = 645,075.42

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Double scale
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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.