Home / 849,245.36-1,273,835-316,765.36

Finding the Fourth Proportional to 849,245.36, 1,273,835 and 316,765.36

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Solution

The fourth proportional to 849,245.36, 1,273,835 and 316,765.36 is: 475,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,245.36 : 1,273,835 = 316,765.36 : x
  2. Step 2: Convert to fraction form
    849,245.36/1,273,835 = 316,765.36/x
  3. Step 3: Cross multiply
    849,245.36x = 1,273,835 × 316,765.36
  4. Step 4: Simplify right side
    849,245.36x = 403,506,802,355.60
  5. Step 5: Solve for x
    x = 403,506,802,355.60/849,245.36
  6. Step 6: Final answer
    x = 475,135.72

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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.