Home / 897,442.20-1,238,245.98-548,493.42

Finding the Fourth Proportional to 897,442.20, 1,238,245.98 and 548,493.42

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Solution

The fourth proportional to 897,442.20, 1,238,245.98 and 548,493.42 is: 756,783.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,442.20 : 1,238,245.98 = 548,493.42 : x
  2. Step 2: Convert to fraction form
    897,442.20/1,238,245.98 = 548,493.42/x
  3. Step 3: Cross multiply
    897,442.20x = 1,238,245.98 × 548,493.42
  4. Step 4: Simplify right side
    897,442.20x = 679,169,772,371.45
  5. Step 5: Solve for x
    x = 679,169,772,371.45/897,442.20
  6. Step 6: Final answer
    x = 756,783.86

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1.5x scale

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.