Home / 849,442.90-1,172,097.39-486,796.99

Finding the Fourth Proportional to 849,442.90, 1,172,097.39 and 486,796.99

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Solution

The fourth proportional to 849,442.90, 1,172,097.39 and 486,796.99 is: 671,703.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,442.90 : 1,172,097.39 = 486,796.99 : x
  2. Step 2: Convert to fraction form
    849,442.90/1,172,097.39 = 486,796.99/x
  3. Step 3: Cross multiply
    849,442.90x = 1,172,097.39 × 486,796.99
  4. Step 4: Simplify right side
    849,442.90x = 570,573,481,438.86
  5. Step 5: Solve for x
    x = 570,573,481,438.86/849,442.90
  6. Step 6: Final answer
    x = 671,703.16

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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.