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Finding the Fourth Proportional to 602,408.94, 831,316.47 and 344,282.94

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Solution

The fourth proportional to 602,408.94, 831,316.47 and 344,282.94 is: 475,105.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,408.94 : 831,316.47 = 344,282.94 : x
  2. Step 2: Convert to fraction form
    602,408.94/831,316.47 = 344,282.94/x
  3. Step 3: Cross multiply
    602,408.94x = 831,316.47 × 344,282.94
  4. Step 4: Simplify right side
    602,408.94x = 286,208,078,362.02
  5. Step 5: Solve for x
    x = 286,208,078,362.02/602,408.94
  6. Step 6: Final answer
    x = 475,105.96

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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.