Home / 876,461.80-1,314,838.04-307,695.28

Finding the Fourth Proportional to 876,461.80, 1,314,838.04 and 307,695.28

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Solution

The fourth proportional to 876,461.80, 1,314,838.04 and 307,695.28 is: 461,593.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,461.80 : 1,314,838.04 = 307,695.28 : x
  2. Step 2: Convert to fraction form
    876,461.80/1,314,838.04 = 307,695.28/x
  3. Step 3: Cross multiply
    876,461.80x = 1,314,838.04 × 307,695.28
  4. Step 4: Simplify right side
    876,461.80x = 404,569,458,872.45
  5. Step 5: Solve for x
    x = 404,569,458,872.45/876,461.80
  6. Step 6: Final answer
    x = 461,593.94

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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.