Home / 665,032.98-917,739.81-363,220.50

Finding the Fourth Proportional to 665,032.98, 917,739.81 and 363,220.50

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Solution

The fourth proportional to 665,032.98, 917,739.81 and 363,220.50 is: 501,241.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,032.98 : 917,739.81 = 363,220.50 : x
  2. Step 2: Convert to fraction form
    665,032.98/917,739.81 = 363,220.50/x
  3. Step 3: Cross multiply
    665,032.98x = 917,739.81 × 363,220.50
  4. Step 4: Simplify right side
    665,032.98x = 333,341,912,658.11
  5. Step 5: Solve for x
    x = 333,341,912,658.11/665,032.98
  6. Step 6: Final answer
    x = 501,241.18

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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.