Home / 849,765.74-1,272,813.75-399,812.36

Finding the Fourth Proportional to 849,765.74, 1,272,813.75 and 399,812.36

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Solution

The fourth proportional to 849,765.74, 1,272,813.75 and 399,812.36 is: 598,855.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,765.74 : 1,272,813.75 = 399,812.36 : x
  2. Step 2: Convert to fraction form
    849,765.74/1,272,813.75 = 399,812.36/x
  3. Step 3: Cross multiply
    849,765.74x = 1,272,813.75 × 399,812.36
  4. Step 4: Simplify right side
    849,765.74x = 508,886,662,863.88
  5. Step 5: Solve for x
    x = 508,886,662,863.88/849,765.74
  6. Step 6: Final answer
    x = 598,855.24

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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.