Home / 557,848.05-769,846.55-316,122.58

Finding the Fourth Proportional to 557,848.05, 769,846.55 and 316,122.58

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Solution

The fourth proportional to 557,848.05, 769,846.55 and 316,122.58 is: 436,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,848.05 : 769,846.55 = 316,122.58 : x
  2. Step 2: Convert to fraction form
    557,848.05/769,846.55 = 316,122.58/x
  3. Step 3: Cross multiply
    557,848.05x = 769,846.55 × 316,122.58
  4. Step 4: Simplify right side
    557,848.05x = 243,365,877,590.10
  5. Step 5: Solve for x
    x = 243,365,877,590.10/557,848.05
  6. Step 6: Final answer
    x = 436,258.36

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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.