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Finding the Fourth Proportional to 602,680.84, 831,822.61 and 347,997.40

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Solution

The fourth proportional to 602,680.84, 831,822.61 and 347,997.40 is: 480,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,680.84 : 831,822.61 = 347,997.40 : x
  2. Step 2: Convert to fraction form
    602,680.84/831,822.61 = 347,997.40/x
  3. Step 3: Cross multiply
    602,680.84x = 831,822.61 × 347,997.40
  4. Step 4: Simplify right side
    602,680.84x = 289,472,101,382.10
  5. Step 5: Solve for x
    x = 289,472,101,382.10/602,680.84
  6. Step 6: Final answer
    x = 480,307.46

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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.