Home / 602,261.67-831,174.43-330,382.55

Finding the Fourth Proportional to 602,261.67, 831,174.43 and 330,382.55

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Solution

The fourth proportional to 602,261.67, 831,174.43 and 330,382.55 is: 455,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,261.67 : 831,174.43 = 330,382.55 : x
  2. Step 2: Convert to fraction form
    602,261.67/831,174.43 = 330,382.55/x
  3. Step 3: Cross multiply
    602,261.67x = 831,174.43 × 330,382.55
  4. Step 4: Simplify right side
    602,261.67x = 274,605,527,678.20
  5. Step 5: Solve for x
    x = 274,605,527,678.20/602,261.67
  6. Step 6: Final answer
    x = 455,957.17

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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.