Home / 849,205.84-1,272,099-393,154.24

Finding the Fourth Proportional to 849,205.84, 1,272,099 and 393,154.24

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Solution

The fourth proportional to 849,205.84, 1,272,099 and 393,154.24 is: 588,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,205.84 : 1,272,099 = 393,154.24 : x
  2. Step 2: Convert to fraction form
    849,205.84/1,272,099 = 393,154.24/x
  3. Step 3: Cross multiply
    849,205.84x = 1,272,099 × 393,154.24
  4. Step 4: Simplify right side
    849,205.84x = 500,131,115,549.76
  5. Step 5: Solve for x
    x = 500,131,115,549.76/849,205.84
  6. Step 6: Final answer
    x = 588,939.80

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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.