Home / 863,135.70-1,294,703.55-548,985.30

Finding the Fourth Proportional to 863,135.70, 1,294,703.55 and 548,985.30

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Solution

The fourth proportional to 863,135.70, 1,294,703.55 and 548,985.30 is: 823,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,135.70 : 1,294,703.55 = 548,985.30 : x
  2. Step 2: Convert to fraction form
    863,135.70/1,294,703.55 = 548,985.30/x
  3. Step 3: Cross multiply
    863,135.70x = 1,294,703.55 × 548,985.30
  4. Step 4: Simplify right side
    863,135.70x = 710,773,216,807.82
  5. Step 5: Solve for x
    x = 710,773,216,807.82/863,135.70
  6. Step 6: Final answer
    x = 823,477.95

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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.