Home / 555,495.64-766,631.18-313,822.58

Finding the Fourth Proportional to 555,495.64, 766,631.18 and 313,822.58

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Solution

The fourth proportional to 555,495.64, 766,631.18 and 313,822.58 is: 433,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,495.64 : 766,631.18 = 313,822.58 : x
  2. Step 2: Convert to fraction form
    555,495.64/766,631.18 = 313,822.58/x
  3. Step 3: Cross multiply
    555,495.64x = 766,631.18 × 313,822.58
  4. Step 4: Simplify right side
    555,495.64x = 240,586,171,767.45
  5. Step 5: Solve for x
    x = 240,586,171,767.45/555,495.64
  6. Step 6: Final answer
    x = 433,101.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.