Home / 557,848.02-769,846.50-316,122.55

Finding the Fourth Proportional to 557,848.02, 769,846.50 and 316,122.55

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Solution

The fourth proportional to 557,848.02, 769,846.50 and 316,122.55 is: 436,258.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,848.02 : 769,846.50 = 316,122.55 : x
  2. Step 2: Convert to fraction form
    557,848.02/769,846.50 = 316,122.55/x
  3. Step 3: Cross multiply
    557,848.02x = 769,846.50 × 316,122.55
  4. Step 4: Simplify right side
    557,848.02x = 243,365,838,688.58
  5. Step 5: Solve for x
    x = 243,365,838,688.58/557,848.02
  6. Step 6: Final answer
    x = 436,258.32

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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.