Home / 849,765.70-1,172,710.11-467,828.02

Finding the Fourth Proportional to 849,765.70, 1,172,710.11 and 467,828.02

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Solution

The fourth proportional to 849,765.70, 1,172,710.11 and 467,828.02 is: 645,621.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,765.70 : 1,172,710.11 = 467,828.02 : x
  2. Step 2: Convert to fraction form
    849,765.70/1,172,710.11 = 467,828.02/x
  3. Step 3: Cross multiply
    849,765.70x = 1,172,710.11 × 467,828.02
  4. Step 4: Simplify right side
    849,765.70x = 548,626,648,795.28
  5. Step 5: Solve for x
    x = 548,626,648,795.28/849,765.70
  6. Step 6: Final answer
    x = 645,621.08

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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.