Home / 787,146.65-1,180,672.89-463,116.48

Finding the Fourth Proportional to 787,146.65, 1,180,672.89 and 463,116.48

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Solution

The fourth proportional to 787,146.65, 1,180,672.89 and 463,116.48 is: 694,647.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,146.65 : 1,180,672.89 = 463,116.48 : x
  2. Step 2: Convert to fraction form
    787,146.65/1,180,672.89 = 463,116.48/x
  3. Step 3: Cross multiply
    787,146.65x = 1,180,672.89 × 463,116.48
  4. Step 4: Simplify right side
    787,146.65x = 546,789,072,848.23
  5. Step 5: Solve for x
    x = 546,789,072,848.23/787,146.65
  6. Step 6: Final answer
    x = 694,647.02

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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.