Home / 849,772.49-1,272,823.88-399,819.11

Finding the Fourth Proportional to 849,772.49, 1,272,823.88 and 399,819.11

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Solution

The fourth proportional to 849,772.49, 1,272,823.88 and 399,819.11 is: 598,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,772.49 : 1,272,823.88 = 399,819.11 : x
  2. Step 2: Convert to fraction form
    849,772.49/1,272,823.88 = 399,819.11/x
  3. Step 3: Cross multiply
    849,772.49x = 1,272,823.88 × 399,819.11
  4. Step 4: Simplify right side
    849,772.49x = 508,899,302,525.13
  5. Step 5: Solve for x
    x = 508,899,302,525.13/849,772.49
  6. Step 6: Final answer
    x = 598,865.36

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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.